Home / 92,561.04-138,885.84-88,661.16

Finding the Fourth Proportional to 92,561.04, 138,885.84 and 88,661.16

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Solution

The fourth proportional to 92,561.04, 138,885.84 and 88,661.16 is: 133,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,561.04 : 138,885.84 = 88,661.16 : x
  2. Step 2: Convert to fraction form
    92,561.04/138,885.84 = 88,661.16/x
  3. Step 3: Cross multiply
    92,561.04x = 138,885.84 × 88,661.16
  4. Step 4: Simplify right side
    92,561.04x = 12,313,779,681.97
  5. Step 5: Solve for x
    x = 12,313,779,681.97/92,561.04
  6. Step 6: Final answer
    x = 133,034.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.