Home / 88,142.22-121,591.14-56,277.60

Finding the Fourth Proportional to 88,142.22, 121,591.14 and 56,277.60

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Solution

The fourth proportional to 88,142.22, 121,591.14 and 56,277.60 is: 77,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.22 : 121,591.14 = 56,277.60 : x
  2. Step 2: Convert to fraction form
    88,142.22/121,591.14 = 56,277.60/x
  3. Step 3: Cross multiply
    88,142.22x = 121,591.14 × 56,277.60
  4. Step 4: Simplify right side
    88,142.22x = 6,842,857,540.46
  5. Step 5: Solve for x
    x = 6,842,857,540.46/88,142.22
  6. Step 6: Final answer
    x = 77,634.28

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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.