Home / 60,688.09-83,710.47-40,269.71

Finding the Fourth Proportional to 60,688.09, 83,710.47 and 40,269.71

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Solution

The fourth proportional to 60,688.09, 83,710.47 and 40,269.71 is: 55,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,688.09 : 83,710.47 = 40,269.71 : x
  2. Step 2: Convert to fraction form
    60,688.09/83,710.47 = 40,269.71/x
  3. Step 3: Cross multiply
    60,688.09x = 83,710.47 × 40,269.71
  4. Step 4: Simplify right side
    60,688.09x = 3,370,996,711.15
  5. Step 5: Solve for x
    x = 3,370,996,711.15/60,688.09
  6. Step 6: Final answer
    x = 55,546.26

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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.