Home / 56,901.60-85,352.40-38,239.20

Finding the Fourth Proportional to 56,901.60, 85,352.40 and 38,239.20

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Solution

The fourth proportional to 56,901.60, 85,352.40 and 38,239.20 is: 57,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901.60 : 85,352.40 = 38,239.20 : x
  2. Step 2: Convert to fraction form
    56,901.60/85,352.40 = 38,239.20/x
  3. Step 3: Cross multiply
    56,901.60x = 85,352.40 × 38,239.20
  4. Step 4: Simplify right side
    56,901.60x = 3,263,807,494.08
  5. Step 5: Solve for x
    x = 3,263,807,494.08/56,901.60
  6. Step 6: Final answer
    x = 57,358.80

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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.