Home / 74,327.22-102,578.76-42,490.08

Finding the Fourth Proportional to 74,327.22, 102,578.76 and 42,490.08

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Solution

The fourth proportional to 74,327.22, 102,578.76 and 42,490.08 is: 58,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327.22 : 102,578.76 = 42,490.08 : x
  2. Step 2: Convert to fraction form
    74,327.22/102,578.76 = 42,490.08/x
  3. Step 3: Cross multiply
    74,327.22x = 102,578.76 × 42,490.08
  4. Step 4: Simplify right side
    74,327.22x = 4,358,579,718.70
  5. Step 5: Solve for x
    x = 4,358,579,718.70/74,327.22
  6. Step 6: Final answer
    x = 58,640.42

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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.