Home / 106,685.15-147,224.40-58,935.38

Finding the Fourth Proportional to 106,685.15, 147,224.40 and 58,935.38

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Solution

The fourth proportional to 106,685.15, 147,224.40 and 58,935.38 is: 81,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,685.15 : 147,224.40 = 58,935.38 : x
  2. Step 2: Convert to fraction form
    106,685.15/147,224.40 = 58,935.38/x
  3. Step 3: Cross multiply
    106,685.15x = 147,224.40 × 58,935.38
  4. Step 4: Simplify right side
    106,685.15x = 8,676,725,959.27
  5. Step 5: Solve for x
    x = 8,676,725,959.27/106,685.15
  6. Step 6: Final answer
    x = 81,330.21

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1.5x scale

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.