Home / 91,852.08-137,726.40-31,852.44

Finding the Fourth Proportional to 91,852.08, 137,726.40 and 31,852.44

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Solution

The fourth proportional to 91,852.08, 137,726.40 and 31,852.44 is: 47,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852.08 : 137,726.40 = 31,852.44 : x
  2. Step 2: Convert to fraction form
    91,852.08/137,726.40 = 31,852.44/x
  3. Step 3: Cross multiply
    91,852.08x = 137,726.40 × 31,852.44
  4. Step 4: Simplify right side
    91,852.08x = 4,386,921,892.42
  5. Step 5: Solve for x
    x = 4,386,921,892.42/91,852.08
  6. Step 6: Final answer
    x = 47,760.72

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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.