Home / 124,517.02-186,775.38-45,637.60

Finding the Fourth Proportional to 124,517.02, 186,775.38 and 45,637.60

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Solution

The fourth proportional to 124,517.02, 186,775.38 and 45,637.60 is: 68,456.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,517.02 : 186,775.38 = 45,637.60 : x
  2. Step 2: Convert to fraction form
    124,517.02/186,775.38 = 45,637.60/x
  3. Step 3: Cross multiply
    124,517.02x = 186,775.38 × 45,637.60
  4. Step 4: Simplify right side
    124,517.02x = 8,523,980,082.29
  5. Step 5: Solve for x
    x = 8,523,980,082.29/124,517.02
  6. Step 6: Final answer
    x = 68,456.35

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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.