Home / 74,344.50-102,594.20-42,512.31

Finding the Fourth Proportional to 74,344.50, 102,594.20 and 42,512.31

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Solution

The fourth proportional to 74,344.50, 102,594.20 and 42,512.31 is: 58,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,344.50 : 102,594.20 = 42,512.31 : x
  2. Step 2: Convert to fraction form
    74,344.50/102,594.20 = 42,512.31/x
  3. Step 3: Cross multiply
    74,344.50x = 102,594.20 × 42,512.31
  4. Step 4: Simplify right side
    74,344.50x = 4,361,516,222.04
  5. Step 5: Solve for x
    x = 4,361,516,222.04/74,344.50
  6. Step 6: Final answer
    x = 58,666.29

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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.