Home / 87,574.04-120,829.92-53,570.08

Finding the Fourth Proportional to 87,574.04, 120,829.92 and 53,570.08

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Solution

The fourth proportional to 87,574.04, 120,829.92 and 53,570.08 is: 73,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,574.04 : 120,829.92 = 53,570.08 : x
  2. Step 2: Convert to fraction form
    87,574.04/120,829.92 = 53,570.08/x
  3. Step 3: Cross multiply
    87,574.04x = 120,829.92 × 53,570.08
  4. Step 4: Simplify right side
    87,574.04x = 6,472,868,480.79
  5. Step 5: Solve for x
    x = 6,472,868,480.79/87,574.04
  6. Step 6: Final answer
    x = 73,913.10

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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.