Home / 88,116.13-121,600.39-50,391.19

Finding the Fourth Proportional to 88,116.13, 121,600.39 and 50,391.19

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Solution

The fourth proportional to 88,116.13, 121,600.39 and 50,391.19 is: 69,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,116.13 : 121,600.39 = 50,391.19 : x
  2. Step 2: Convert to fraction form
    88,116.13/121,600.39 = 50,391.19/x
  3. Step 3: Cross multiply
    88,116.13x = 121,600.39 × 50,391.19
  4. Step 4: Simplify right side
    88,116.13x = 6,127,588,356.56
  5. Step 5: Solve for x
    x = 6,127,588,356.56/88,116.13
  6. Step 6: Final answer
    x = 69,539.92

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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.