Home / 123,702.40-185,582.36-52,628.92

Finding the Fourth Proportional to 123,702.40, 185,582.36 and 52,628.92

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Solution

The fourth proportional to 123,702.40, 185,582.36 and 52,628.92 is: 78,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,702.40 : 185,582.36 = 52,628.92 : x
  2. Step 2: Convert to fraction form
    123,702.40/185,582.36 = 52,628.92/x
  3. Step 3: Cross multiply
    123,702.40x = 185,582.36 × 52,628.92
  4. Step 4: Simplify right side
    123,702.40x = 9,766,999,177.85
  5. Step 5: Solve for x
    x = 9,766,999,177.85/123,702.40
  6. Step 6: Final answer
    x = 78,955.62

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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.