Home / 71,461.20-98,572.64-47,262.16

Finding the Fourth Proportional to 71,461.20, 98,572.64 and 47,262.16

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Solution

The fourth proportional to 71,461.20, 98,572.64 and 47,262.16 is: 65,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,461.20 : 98,572.64 = 47,262.16 : x
  2. Step 2: Convert to fraction form
    71,461.20/98,572.64 = 47,262.16/x
  3. Step 3: Cross multiply
    71,461.20x = 98,572.64 × 47,262.16
  4. Step 4: Simplify right side
    71,461.20x = 4,658,755,883.30
  5. Step 5: Solve for x
    x = 4,658,755,883.30/71,461.20
  6. Step 6: Final answer
    x = 65,192.80

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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.