Home / 87,569.04-120,844.80-49,328.46

Finding the Fourth Proportional to 87,569.04, 120,844.80 and 49,328.46

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Solution

The fourth proportional to 87,569.04, 120,844.80 and 49,328.46 is: 68,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.04 : 120,844.80 = 49,328.46 : x
  2. Step 2: Convert to fraction form
    87,569.04/120,844.80 = 49,328.46/x
  3. Step 3: Cross multiply
    87,569.04x = 120,844.80 × 49,328.46
  4. Step 4: Simplify right side
    87,569.04x = 5,961,087,883.01
  5. Step 5: Solve for x
    x = 5,961,087,883.01/87,569.04
  6. Step 6: Final answer
    x = 68,073.01

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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.