Home / 57,218.10-85,827.15-17,774.90

Finding the Fourth Proportional to 57,218.10, 85,827.15 and 17,774.90

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Solution

The fourth proportional to 57,218.10, 85,827.15 and 17,774.90 is: 26,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.10 : 85,827.15 = 17,774.90 : x
  2. Step 2: Convert to fraction form
    57,218.10/85,827.15 = 17,774.90/x
  3. Step 3: Cross multiply
    57,218.10x = 85,827.15 × 17,774.90
  4. Step 4: Simplify right side
    57,218.10x = 1,525,569,008.54
  5. Step 5: Solve for x
    x = 1,525,569,008.54/57,218.10
  6. Step 6: Final answer
    x = 26,662.35

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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.