Home / 88,109.77-121,591.65-50,384.02

Finding the Fourth Proportional to 88,109.77, 121,591.65 and 50,384.02

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Solution

The fourth proportional to 88,109.77, 121,591.65 and 50,384.02 is: 69,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.77 : 121,591.65 = 50,384.02 : x
  2. Step 2: Convert to fraction form
    88,109.77/121,591.65 = 50,384.02/x
  3. Step 3: Cross multiply
    88,109.77x = 121,591.65 × 50,384.02
  4. Step 4: Simplify right side
    88,109.77x = 6,126,276,125.43
  5. Step 5: Solve for x
    x = 6,126,276,125.43/88,109.77
  6. Step 6: Final answer
    x = 69,530.04

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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.