Home / 88,120.71-121,606.56-50,394.96

Finding the Fourth Proportional to 88,120.71, 121,606.56 and 50,394.96

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Solution

The fourth proportional to 88,120.71, 121,606.56 and 50,394.96 is: 69,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,120.71 : 121,606.56 = 50,394.96 : x
  2. Step 2: Convert to fraction form
    88,120.71/121,606.56 = 50,394.96/x
  3. Step 3: Cross multiply
    88,120.71x = 121,606.56 × 50,394.96
  4. Step 4: Simplify right side
    88,120.71x = 6,128,357,726.94
  5. Step 5: Solve for x
    x = 6,128,357,726.94/88,120.71
  6. Step 6: Final answer
    x = 69,545.03

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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.