Home / 91,045.38-136,566.45-34,870.26

Finding the Fourth Proportional to 91,045.38, 136,566.45 and 34,870.26

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Solution

The fourth proportional to 91,045.38, 136,566.45 and 34,870.26 is: 52,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,045.38 : 136,566.45 = 34,870.26 : x
  2. Step 2: Convert to fraction form
    91,045.38/136,566.45 = 34,870.26/x
  3. Step 3: Cross multiply
    91,045.38x = 136,566.45 × 34,870.26
  4. Step 4: Simplify right side
    91,045.38x = 4,762,107,618.78
  5. Step 5: Solve for x
    x = 4,762,107,618.78/91,045.38
  6. Step 6: Final answer
    x = 52,304.77

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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.