Home / 74,223.27-102,368.61-65,251.71

Finding the Fourth Proportional to 74,223.27, 102,368.61 and 65,251.71

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Solution

The fourth proportional to 74,223.27, 102,368.61 and 65,251.71 is: 89,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.27 : 102,368.61 = 65,251.71 : x
  2. Step 2: Convert to fraction form
    74,223.27/102,368.61 = 65,251.71/x
  3. Step 3: Cross multiply
    74,223.27x = 102,368.61 × 65,251.71
  4. Step 4: Simplify right side
    74,223.27x = 6,679,726,852.82
  5. Step 5: Solve for x
    x = 6,679,726,852.82/74,223.27
  6. Step 6: Final answer
    x = 89,995.05

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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.