Home / 99,001.30-136,585.89-65,028.16

Finding the Fourth Proportional to 99,001.30, 136,585.89 and 65,028.16

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Solution

The fourth proportional to 99,001.30, 136,585.89 and 65,028.16 is: 89,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,001.30 : 136,585.89 = 65,028.16 : x
  2. Step 2: Convert to fraction form
    99,001.30/136,585.89 = 65,028.16/x
  3. Step 3: Cross multiply
    99,001.30x = 136,585.89 × 65,028.16
  4. Step 4: Simplify right side
    99,001.30x = 8,881,929,108.66
  5. Step 5: Solve for x
    x = 8,881,929,108.66/99,001.30
  6. Step 6: Final answer
    x = 89,715.28

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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.