Home / 107,135.59-147,842.85-58,736.47

Finding the Fourth Proportional to 107,135.59, 147,842.85 and 58,736.47

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Solution

The fourth proportional to 107,135.59, 147,842.85 and 58,736.47 is: 81,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,135.59 : 147,842.85 = 58,736.47 : x
  2. Step 2: Convert to fraction form
    107,135.59/147,842.85 = 58,736.47/x
  3. Step 3: Cross multiply
    107,135.59x = 147,842.85 × 58,736.47
  4. Step 4: Simplify right side
    107,135.59x = 8,683,767,123.74
  5. Step 5: Solve for x
    x = 8,683,767,123.74/107,135.59
  6. Step 6: Final answer
    x = 81,053.99

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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.