Home / 87,614.36-120,907.72-47,328.10

Finding the Fourth Proportional to 87,614.36, 120,907.72 and 47,328.10

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Solution

The fourth proportional to 87,614.36, 120,907.72 and 47,328.10 is: 65,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.36 : 120,907.72 = 47,328.10 : x
  2. Step 2: Convert to fraction form
    87,614.36/120,907.72 = 47,328.10/x
  3. Step 3: Cross multiply
    87,614.36x = 120,907.72 × 47,328.10
  4. Step 4: Simplify right side
    87,614.36x = 5,722,332,419.82
  5. Step 5: Solve for x
    x = 5,722,332,419.82/87,614.36
  6. Step 6: Final answer
    x = 65,312.72

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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.