Home / 103,060.49-142,191.19-57,732.35

Finding the Fourth Proportional to 103,060.49, 142,191.19 and 57,732.35

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Solution

The fourth proportional to 103,060.49, 142,191.19 and 57,732.35 is: 79,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,060.49 : 142,191.19 = 57,732.35 : x
  2. Step 2: Convert to fraction form
    103,060.49/142,191.19 = 57,732.35/x
  3. Step 3: Cross multiply
    103,060.49x = 142,191.19 × 57,732.35
  4. Step 4: Simplify right side
    103,060.49x = 8,209,031,548.00
  5. Step 5: Solve for x
    x = 8,209,031,548.00/103,060.49
  6. Step 6: Final answer
    x = 79,652.56

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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.