Home / 87,591.04-120,875.76-47,847.04

Finding the Fourth Proportional to 87,591.04, 120,875.76 and 47,847.04

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Solution

The fourth proportional to 87,591.04, 120,875.76 and 47,847.04 is: 66,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.04 : 120,875.76 = 47,847.04 : x
  2. Step 2: Convert to fraction form
    87,591.04/120,875.76 = 47,847.04/x
  3. Step 3: Cross multiply
    87,591.04x = 120,875.76 × 47,847.04
  4. Step 4: Simplify right side
    87,591.04x = 5,783,547,323.75
  5. Step 5: Solve for x
    x = 5,783,547,323.75/87,591.04
  6. Step 6: Final answer
    x = 66,028.98

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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.