Home / 74,317.70-102,545.57-42,053.78

Finding the Fourth Proportional to 74,317.70, 102,545.57 and 42,053.78

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Solution

The fourth proportional to 74,317.70, 102,545.57 and 42,053.78 is: 58,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,317.70 : 102,545.57 = 42,053.78 : x
  2. Step 2: Convert to fraction form
    74,317.70/102,545.57 = 42,053.78/x
  3. Step 3: Cross multiply
    74,317.70x = 102,545.57 × 42,053.78
  4. Step 4: Simplify right side
    74,317.70x = 4,312,428,433.16
  5. Step 5: Solve for x
    x = 4,312,428,433.16/74,317.70
  6. Step 6: Final answer
    x = 58,026.94

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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.