Home / 99,062.11-136,669.83-65,088.88

Finding the Fourth Proportional to 99,062.11, 136,669.83 and 65,088.88

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Solution

The fourth proportional to 99,062.11, 136,669.83 and 65,088.88 is: 89,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,062.11 : 136,669.83 = 65,088.88 : x
  2. Step 2: Convert to fraction form
    99,062.11/136,669.83 = 65,088.88/x
  3. Step 3: Cross multiply
    99,062.11x = 136,669.83 × 65,088.88
  4. Step 4: Simplify right side
    99,062.11x = 8,895,686,164.49
  5. Step 5: Solve for x
    x = 8,895,686,164.49/99,062.11
  6. Step 6: Final answer
    x = 89,799.08

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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.