Home / 57,218.90-85,828.35-56,246.90

Finding the Fourth Proportional to 57,218.90, 85,828.35 and 56,246.90

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Solution

The fourth proportional to 57,218.90, 85,828.35 and 56,246.90 is: 84,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.90 : 85,828.35 = 56,246.90 : x
  2. Step 2: Convert to fraction form
    57,218.90/85,828.35 = 56,246.90/x
  3. Step 3: Cross multiply
    57,218.90x = 85,828.35 × 56,246.90
  4. Step 4: Simplify right side
    57,218.90x = 4,827,578,619.62
  5. Step 5: Solve for x
    x = 4,827,578,619.62/57,218.90
  6. Step 6: Final answer
    x = 84,370.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.