Home / 74,884.38-103,340.63-40,893.13

Finding the Fourth Proportional to 74,884.38, 103,340.63 and 40,893.13

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Solution

The fourth proportional to 74,884.38, 103,340.63 and 40,893.13 is: 56,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884.38 : 103,340.63 = 40,893.13 : x
  2. Step 2: Convert to fraction form
    74,884.38/103,340.63 = 40,893.13/x
  3. Step 3: Cross multiply
    74,884.38x = 103,340.63 × 40,893.13
  4. Step 4: Simplify right side
    74,884.38x = 4,225,921,818.26
  5. Step 5: Solve for x
    x = 4,225,921,818.26/74,884.38
  6. Step 6: Final answer
    x = 56,432.62

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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.