Home / 107,243.15-147,951.18-61,888.95

Finding the Fourth Proportional to 107,243.15, 147,951.18 and 61,888.95

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Solution

The fourth proportional to 107,243.15, 147,951.18 and 61,888.95 is: 85,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.15 : 147,951.18 = 61,888.95 : x
  2. Step 2: Convert to fraction form
    107,243.15/147,951.18 = 61,888.95/x
  3. Step 3: Cross multiply
    107,243.15x = 147,951.18 × 61,888.95
  4. Step 4: Simplify right side
    107,243.15x = 9,156,543,181.46
  5. Step 5: Solve for x
    x = 9,156,543,181.46/107,243.15
  6. Step 6: Final answer
    x = 85,381.15

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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.