Home / 106,326.17-159,483.95-39,761.40

Finding the Fourth Proportional to 106,326.17, 159,483.95 and 39,761.40

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Solution

The fourth proportional to 106,326.17, 159,483.95 and 39,761.40 is: 59,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.17 : 159,483.95 = 39,761.40 : x
  2. Step 2: Convert to fraction form
    106,326.17/159,483.95 = 39,761.40/x
  3. Step 3: Cross multiply
    106,326.17x = 159,483.95 × 39,761.40
  4. Step 4: Simplify right side
    106,326.17x = 6,341,305,901.55
  5. Step 5: Solve for x
    x = 6,341,305,901.55/106,326.17
  6. Step 6: Final answer
    x = 59,640.12

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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.