Home / 87,802.49-121,167.43-47,516.24

Finding the Fourth Proportional to 87,802.49, 121,167.43 and 47,516.24

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Solution

The fourth proportional to 87,802.49, 121,167.43 and 47,516.24 is: 65,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,802.49 : 121,167.43 = 47,516.24 : x
  2. Step 2: Convert to fraction form
    87,802.49/121,167.43 = 47,516.24/x
  3. Step 3: Cross multiply
    87,802.49x = 121,167.43 × 47,516.24
  4. Step 4: Simplify right side
    87,802.49x = 5,757,420,868.19
  5. Step 5: Solve for x
    x = 5,757,420,868.19/87,802.49
  6. Step 6: Final answer
    x = 65,572.41

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1.5x scale

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.