Home / 87,328.32-120,513.06-47,584.32

Finding the Fourth Proportional to 87,328.32, 120,513.06 and 47,584.32

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Solution

The fourth proportional to 87,328.32, 120,513.06 and 47,584.32 is: 65,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.32 : 120,513.06 = 47,584.32 : x
  2. Step 2: Convert to fraction form
    87,328.32/120,513.06 = 47,584.32/x
  3. Step 3: Cross multiply
    87,328.32x = 120,513.06 × 47,584.32
  4. Step 4: Simplify right side
    87,328.32x = 5,734,532,011.22
  5. Step 5: Solve for x
    x = 5,734,532,011.22/87,328.32
  6. Step 6: Final answer
    x = 65,666.35

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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.