Home / 88,153.55-121,652.35-47,867.29

Finding the Fourth Proportional to 88,153.55, 121,652.35 and 47,867.29

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Solution

The fourth proportional to 88,153.55, 121,652.35 and 47,867.29 is: 66,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,153.55 : 121,652.35 = 47,867.29 : x
  2. Step 2: Convert to fraction form
    88,153.55/121,652.35 = 47,867.29/x
  3. Step 3: Cross multiply
    88,153.55x = 121,652.35 × 47,867.29
  4. Step 4: Simplify right side
    88,153.55x = 5,823,167,892.83
  5. Step 5: Solve for x
    x = 5,823,167,892.83/88,153.55
  6. Step 6: Final answer
    x = 66,057.10

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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.