Home / 87,885.41-121,281.26-47,598.25

Finding the Fourth Proportional to 87,885.41, 121,281.26 and 47,598.25

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Solution

The fourth proportional to 87,885.41, 121,281.26 and 47,598.25 is: 65,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,885.41 : 121,281.26 = 47,598.25 : x
  2. Step 2: Convert to fraction form
    87,885.41/121,281.26 = 47,598.25/x
  3. Step 3: Cross multiply
    87,885.41x = 121,281.26 × 47,598.25
  4. Step 4: Simplify right side
    87,885.41x = 5,772,775,733.80
  5. Step 5: Solve for x
    x = 5,772,775,733.80/87,885.41
  6. Step 6: Final answer
    x = 65,685.26

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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.