Home / 88,126.75-121,602.08-50,393.71

Finding the Fourth Proportional to 88,126.75, 121,602.08 and 50,393.71

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Solution

The fourth proportional to 88,126.75, 121,602.08 and 50,393.71 is: 69,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,126.75 : 121,602.08 = 50,393.71 : x
  2. Step 2: Convert to fraction form
    88,126.75/121,602.08 = 50,393.71/x
  3. Step 3: Cross multiply
    88,126.75x = 121,602.08 × 50,393.71
  4. Step 4: Simplify right side
    88,126.75x = 6,127,979,954.92
  5. Step 5: Solve for x
    x = 6,127,979,954.92/88,126.75
  6. Step 6: Final answer
    x = 69,535.98

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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.