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Finding the Fourth Proportional to 74,935, 112,402.58 and 22,343.16

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Solution

The fourth proportional to 74,935, 112,402.58 and 22,343.16 is: 33,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935 : 112,402.58 = 22,343.16 : x
  2. Step 2: Convert to fraction form
    74,935/112,402.58 = 22,343.16/x
  3. Step 3: Cross multiply
    74,935x = 112,402.58 × 22,343.16
  4. Step 4: Simplify right side
    74,935x = 2,511,428,829.35
  5. Step 5: Solve for x
    x = 2,511,428,829.35/74,935
  6. Step 6: Final answer
    x = 33,514.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.