Home / 87,210.62-120,349.11-48,970.46

Finding the Fourth Proportional to 87,210.62, 120,349.11 and 48,970.46

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Solution

The fourth proportional to 87,210.62, 120,349.11 and 48,970.46 is: 67,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,210.62 : 120,349.11 = 48,970.46 : x
  2. Step 2: Convert to fraction form
    87,210.62/120,349.11 = 48,970.46/x
  3. Step 3: Cross multiply
    87,210.62x = 120,349.11 × 48,970.46
  4. Step 4: Simplify right side
    87,210.62x = 5,893,551,277.29
  5. Step 5: Solve for x
    x = 5,893,551,277.29/87,210.62
  6. Step 6: Final answer
    x = 67,578.37

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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.