Home / 124,419.24-186,658.02-54,318.60

Finding the Fourth Proportional to 124,419.24, 186,658.02 and 54,318.60

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Solution

The fourth proportional to 124,419.24, 186,658.02 and 54,318.60 is: 81,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,419.24 : 186,658.02 = 54,318.60 : x
  2. Step 2: Convert to fraction form
    124,419.24/186,658.02 = 54,318.60/x
  3. Step 3: Cross multiply
    124,419.24x = 186,658.02 × 54,318.60
  4. Step 4: Simplify right side
    124,419.24x = 10,139,002,325.17
  5. Step 5: Solve for x
    x = 10,139,002,325.17/124,419.24
  6. Step 6: Final answer
    x = 81,490.63

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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.