Home / 123,812.40-185,693.92-60,605.36

Finding the Fourth Proportional to 123,812.40, 185,693.92 and 60,605.36

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Solution

The fourth proportional to 123,812.40, 185,693.92 and 60,605.36 is: 90,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,812.40 : 185,693.92 = 60,605.36 : x
  2. Step 2: Convert to fraction form
    123,812.40/185,693.92 = 60,605.36/x
  3. Step 3: Cross multiply
    123,812.40x = 185,693.92 × 60,605.36
  4. Step 4: Simplify right side
    123,812.40x = 11,254,046,871.41
  5. Step 5: Solve for x
    x = 11,254,046,871.41/123,812.40
  6. Step 6: Final answer
    x = 90,895.96

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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.