Home / 107,386.80-148,197.24-59,640.72

Finding the Fourth Proportional to 107,386.80, 148,197.24 and 59,640.72

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Solution

The fourth proportional to 107,386.80, 148,197.24 and 59,640.72 is: 82,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,386.80 : 148,197.24 = 59,640.72 : x
  2. Step 2: Convert to fraction form
    107,386.80/148,197.24 = 59,640.72/x
  3. Step 3: Cross multiply
    107,386.80x = 148,197.24 × 59,640.72
  4. Step 4: Simplify right side
    107,386.80x = 8,838,590,095.61
  5. Step 5: Solve for x
    x = 8,838,590,095.61/107,386.80
  6. Step 6: Final answer
    x = 82,306.11

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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.