Home / 47,132.10-65,026.11-29,220.66

Finding the Fourth Proportional to 47,132.10, 65,026.11 and 29,220.66

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Solution

The fourth proportional to 47,132.10, 65,026.11 and 29,220.66 is: 40,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.10 : 65,026.11 = 29,220.66 : x
  2. Step 2: Convert to fraction form
    47,132.10/65,026.11 = 29,220.66/x
  3. Step 3: Cross multiply
    47,132.10x = 65,026.11 × 29,220.66
  4. Step 4: Simplify right side
    47,132.10x = 1,900,105,851.43
  5. Step 5: Solve for x
    x = 1,900,105,851.43/47,132.10
  6. Step 6: Final answer
    x = 40,314.47

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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.