Home / 58,728.40-88,265.40-51,125.20

Finding the Fourth Proportional to 58,728.40, 88,265.40 and 51,125.20

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Solution

The fourth proportional to 58,728.40, 88,265.40 and 51,125.20 is: 76,838.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,728.40 : 88,265.40 = 51,125.20 : x
  2. Step 2: Convert to fraction form
    58,728.40/88,265.40 = 51,125.20/x
  3. Step 3: Cross multiply
    58,728.40x = 88,265.40 × 51,125.20
  4. Step 4: Simplify right side
    58,728.40x = 4,512,586,228.08
  5. Step 5: Solve for x
    x = 4,512,586,228.08/58,728.40
  6. Step 6: Final answer
    x = 76,838.23

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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.