Home / 83,346.59-115,017.39-45,105.30

Finding the Fourth Proportional to 83,346.59, 115,017.39 and 45,105.30

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Solution

The fourth proportional to 83,346.59, 115,017.39 and 45,105.30 is: 62,244.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,346.59 : 115,017.39 = 45,105.30 : x
  2. Step 2: Convert to fraction form
    83,346.59/115,017.39 = 45,105.30/x
  3. Step 3: Cross multiply
    83,346.59x = 115,017.39 × 45,105.30
  4. Step 4: Simplify right side
    83,346.59x = 5,187,893,881.17
  5. Step 5: Solve for x
    x = 5,187,893,881.17/83,346.59
  6. Step 6: Final answer
    x = 62,244.82

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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.