Home / 88,373.28-121,925.73-50,129.04

Finding the Fourth Proportional to 88,373.28, 121,925.73 and 50,129.04

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Solution

The fourth proportional to 88,373.28, 121,925.73 and 50,129.04 is: 69,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,373.28 : 121,925.73 = 50,129.04 : x
  2. Step 2: Convert to fraction form
    88,373.28/121,925.73 = 50,129.04/x
  3. Step 3: Cross multiply
    88,373.28x = 121,925.73 × 50,129.04
  4. Step 4: Simplify right side
    88,373.28x = 6,112,019,796.20
  5. Step 5: Solve for x
    x = 6,112,019,796.20/88,373.28
  6. Step 6: Final answer
    x = 69,161.40

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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.