Home / 58,542.68-80,788.20-31,684.55

Finding the Fourth Proportional to 58,542.68, 80,788.20 and 31,684.55

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Solution

The fourth proportional to 58,542.68, 80,788.20 and 31,684.55 is: 43,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,542.68 : 80,788.20 = 31,684.55 : x
  2. Step 2: Convert to fraction form
    58,542.68/80,788.20 = 31,684.55/x
  3. Step 3: Cross multiply
    58,542.68x = 80,788.20 × 31,684.55
  4. Step 4: Simplify right side
    58,542.68x = 2,559,737,762.31
  5. Step 5: Solve for x
    x = 2,559,737,762.31/58,542.68
  6. Step 6: Final answer
    x = 43,724.30

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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.