Home / 87,803.14-121,168.34-47,516.91

Finding the Fourth Proportional to 87,803.14, 121,168.34 and 47,516.91

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Solution

The fourth proportional to 87,803.14, 121,168.34 and 47,516.91 is: 65,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,803.14 : 121,168.34 = 47,516.91 : x
  2. Step 2: Convert to fraction form
    87,803.14/121,168.34 = 47,516.91/x
  3. Step 3: Cross multiply
    87,803.14x = 121,168.34 × 47,516.91
  4. Step 4: Simplify right side
    87,803.14x = 5,757,545,106.63
  5. Step 5: Solve for x
    x = 5,757,545,106.63/87,803.14
  6. Step 6: Final answer
    x = 65,573.34

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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.