Home / 87,573.40-120,829.04-53,569.46

Finding the Fourth Proportional to 87,573.40, 120,829.04 and 53,569.46

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Solution

The fourth proportional to 87,573.40, 120,829.04 and 53,569.46 is: 73,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,573.40 : 120,829.04 = 53,569.46 : x
  2. Step 2: Convert to fraction form
    87,573.40/120,829.04 = 53,569.46/x
  3. Step 3: Cross multiply
    87,573.40x = 120,829.04 × 53,569.46
  4. Step 4: Simplify right side
    87,573.40x = 6,472,746,425.12
  5. Step 5: Solve for x
    x = 6,472,746,425.12/87,573.40
  6. Step 6: Final answer
    x = 73,912.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.