Home / 91,008.54-136,486.08-31,833.18

Finding the Fourth Proportional to 91,008.54, 136,486.08 and 31,833.18

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Solution

The fourth proportional to 91,008.54, 136,486.08 and 31,833.18 is: 47,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008.54 : 136,486.08 = 31,833.18 : x
  2. Step 2: Convert to fraction form
    91,008.54/136,486.08 = 31,833.18/x
  3. Step 3: Cross multiply
    91,008.54x = 136,486.08 × 31,833.18
  4. Step 4: Simplify right side
    91,008.54x = 4,344,785,952.13
  5. Step 5: Solve for x
    x = 4,344,785,952.13/91,008.54
  6. Step 6: Final answer
    x = 47,740.42

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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.