Home / 88,049.76-121,479.12-50,297.28

Finding the Fourth Proportional to 88,049.76, 121,479.12 and 50,297.28

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Solution

The fourth proportional to 88,049.76, 121,479.12 and 50,297.28 is: 69,393.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,049.76 : 121,479.12 = 50,297.28 : x
  2. Step 2: Convert to fraction form
    88,049.76/121,479.12 = 50,297.28/x
  3. Step 3: Cross multiply
    88,049.76x = 121,479.12 × 50,297.28
  4. Step 4: Simplify right side
    88,049.76x = 6,110,069,312.79
  5. Step 5: Solve for x
    x = 6,110,069,312.79/88,049.76
  6. Step 6: Final answer
    x = 69,393.37

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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.