Home / 59,899.24-82,687.53-38,688.85

Finding the Fourth Proportional to 59,899.24, 82,687.53 and 38,688.85

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Solution

The fourth proportional to 59,899.24, 82,687.53 and 38,688.85 is: 53,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,899.24 : 82,687.53 = 38,688.85 : x
  2. Step 2: Convert to fraction form
    59,899.24/82,687.53 = 38,688.85/x
  3. Step 3: Cross multiply
    59,899.24x = 82,687.53 × 38,688.85
  4. Step 4: Simplify right side
    59,899.24x = 3,199,085,445.04
  5. Step 5: Solve for x
    x = 3,199,085,445.04/59,899.24
  6. Step 6: Final answer
    x = 53,407.78

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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.