Home / 88,029.56-121,478.63-50,301.38

Finding the Fourth Proportional to 88,029.56, 121,478.63 and 50,301.38

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Solution

The fourth proportional to 88,029.56, 121,478.63 and 50,301.38 is: 69,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.56 : 121,478.63 = 50,301.38 : x
  2. Step 2: Convert to fraction form
    88,029.56/121,478.63 = 50,301.38/x
  3. Step 3: Cross multiply
    88,029.56x = 121,478.63 × 50,301.38
  4. Step 4: Simplify right side
    88,029.56x = 6,110,541,870.61
  5. Step 5: Solve for x
    x = 6,110,541,870.61/88,029.56
  6. Step 6: Final answer
    x = 69,414.66

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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.