Home / 88,390.77-121,982.01-50,151.93

Finding the Fourth Proportional to 88,390.77, 121,982.01 and 50,151.93

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Solution

The fourth proportional to 88,390.77, 121,982.01 and 50,151.93 is: 69,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,390.77 : 121,982.01 = 50,151.93 : x
  2. Step 2: Convert to fraction form
    88,390.77/121,982.01 = 50,151.93/x
  3. Step 3: Cross multiply
    88,390.77x = 121,982.01 × 50,151.93
  4. Step 4: Simplify right side
    88,390.77x = 6,117,633,226.78
  5. Step 5: Solve for x
    x = 6,117,633,226.78/88,390.77
  6. Step 6: Final answer
    x = 69,211.22

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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.