Home / 74,663.12-103,044.84-42,825.80

Finding the Fourth Proportional to 74,663.12, 103,044.84 and 42,825.80

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Solution

The fourth proportional to 74,663.12, 103,044.84 and 42,825.80 is: 59,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,663.12 : 103,044.84 = 42,825.80 : x
  2. Step 2: Convert to fraction form
    74,663.12/103,044.84 = 42,825.80/x
  3. Step 3: Cross multiply
    74,663.12x = 103,044.84 × 42,825.80
  4. Step 4: Simplify right side
    74,663.12x = 4,412,977,708.87
  5. Step 5: Solve for x
    x = 4,412,977,708.87/74,663.12
  6. Step 6: Final answer
    x = 59,105.19

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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.