Home / 87,750.95-121,096.16-47,464.58

Finding the Fourth Proportional to 87,750.95, 121,096.16 and 47,464.58

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Solution

The fourth proportional to 87,750.95, 121,096.16 and 47,464.58 is: 65,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,750.95 : 121,096.16 = 47,464.58 : x
  2. Step 2: Convert to fraction form
    87,750.95/121,096.16 = 47,464.58/x
  3. Step 3: Cross multiply
    87,750.95x = 121,096.16 × 47,464.58
  4. Step 4: Simplify right side
    87,750.95x = 5,747,778,884.41
  5. Step 5: Solve for x
    x = 5,747,778,884.41/87,750.95
  6. Step 6: Final answer
    x = 65,501.05

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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.