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Finding the Fourth Proportional to 62,354.88, 85,984.02 and 57,298.86

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Solution

The fourth proportional to 62,354.88, 85,984.02 and 57,298.86 is: 79,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,354.88 : 85,984.02 = 57,298.86 : x
  2. Step 2: Convert to fraction form
    62,354.88/85,984.02 = 57,298.86/x
  3. Step 3: Cross multiply
    62,354.88x = 85,984.02 × 57,298.86
  4. Step 4: Simplify right side
    62,354.88x = 4,926,786,324.22
  5. Step 5: Solve for x
    x = 4,926,786,324.22/62,354.88
  6. Step 6: Final answer
    x = 79,012.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.