Home / 87,884.82-121,280.76-47,598.48

Finding the Fourth Proportional to 87,884.82, 121,280.76 and 47,598.48

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Solution

The fourth proportional to 87,884.82, 121,280.76 and 47,598.48 is: 65,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,884.82 : 121,280.76 = 47,598.48 : x
  2. Step 2: Convert to fraction form
    87,884.82/121,280.76 = 47,598.48/x
  3. Step 3: Cross multiply
    87,884.82x = 121,280.76 × 47,598.48
  4. Step 4: Simplify right side
    87,884.82x = 5,772,779,829.24
  5. Step 5: Solve for x
    x = 5,772,779,829.24/87,884.82
  6. Step 6: Final answer
    x = 65,685.74

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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.