Home / 71,037.47-98,044.40-42,358.98

Finding the Fourth Proportional to 71,037.47, 98,044.40 and 42,358.98

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Solution

The fourth proportional to 71,037.47, 98,044.40 and 42,358.98 is: 58,462.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,037.47 : 98,044.40 = 42,358.98 : x
  2. Step 2: Convert to fraction form
    71,037.47/98,044.40 = 42,358.98/x
  3. Step 3: Cross multiply
    71,037.47x = 98,044.40 × 42,358.98
  4. Step 4: Simplify right side
    71,037.47x = 4,153,060,566.92
  5. Step 5: Solve for x
    x = 4,153,060,566.92/71,037.47
  6. Step 6: Final answer
    x = 58,462.96

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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.