Home / 87,614.47-120,907.93-47,328.24

Finding the Fourth Proportional to 87,614.47, 120,907.93 and 47,328.24

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Solution

The fourth proportional to 87,614.47, 120,907.93 and 47,328.24 is: 65,312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.47 : 120,907.93 = 47,328.24 : x
  2. Step 2: Convert to fraction form
    87,614.47/120,907.93 = 47,328.24/x
  3. Step 3: Cross multiply
    87,614.47x = 120,907.93 × 47,328.24
  4. Step 4: Simplify right side
    87,614.47x = 5,722,359,528.94
  5. Step 5: Solve for x
    x = 5,722,359,528.94/87,614.47
  6. Step 6: Final answer
    x = 65,312.95

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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.