Home / 99,017.43-136,608.23-65,044.20

Finding the Fourth Proportional to 99,017.43, 136,608.23 and 65,044.20

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Solution

The fourth proportional to 99,017.43, 136,608.23 and 65,044.20 is: 89,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,017.43 : 136,608.23 = 65,044.20 : x
  2. Step 2: Convert to fraction form
    99,017.43/136,608.23 = 65,044.20/x
  3. Step 3: Cross multiply
    99,017.43x = 136,608.23 × 65,044.20
  4. Step 4: Simplify right side
    99,017.43x = 8,885,572,708.55
  5. Step 5: Solve for x
    x = 8,885,572,708.55/99,017.43
  6. Step 6: Final answer
    x = 89,737.46

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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.