Home / 88,023.28-121,461.24-56,210.80

Finding the Fourth Proportional to 88,023.28, 121,461.24 and 56,210.80

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Solution

The fourth proportional to 88,023.28, 121,461.24 and 56,210.80 is: 77,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,023.28 : 121,461.24 = 56,210.80 : x
  2. Step 2: Convert to fraction form
    88,023.28/121,461.24 = 56,210.80/x
  3. Step 3: Cross multiply
    88,023.28x = 121,461.24 × 56,210.80
  4. Step 4: Simplify right side
    88,023.28x = 6,827,433,469.39
  5. Step 5: Solve for x
    x = 6,827,433,469.39/88,023.28
  6. Step 6: Final answer
    x = 77,563.95

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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.