Home / 83,417.14-124,811.79-58,505.80

Finding the Fourth Proportional to 83,417.14, 124,811.79 and 58,505.80

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Solution

The fourth proportional to 83,417.14, 124,811.79 and 58,505.80 is: 87,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417.14 : 124,811.79 = 58,505.80 : x
  2. Step 2: Convert to fraction form
    83,417.14/124,811.79 = 58,505.80/x
  3. Step 3: Cross multiply
    83,417.14x = 124,811.79 × 58,505.80
  4. Step 4: Simplify right side
    83,417.14x = 7,302,213,623.38
  5. Step 5: Solve for x
    x = 7,302,213,623.38/83,417.14
  6. Step 6: Final answer
    x = 87,538.53

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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.