Home / 88,366.34-121,941.25-50,129.43

Finding the Fourth Proportional to 88,366.34, 121,941.25 and 50,129.43

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Solution

The fourth proportional to 88,366.34, 121,941.25 and 50,129.43 is: 69,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,366.34 : 121,941.25 = 50,129.43 : x
  2. Step 2: Convert to fraction form
    88,366.34/121,941.25 = 50,129.43/x
  3. Step 3: Cross multiply
    88,366.34x = 121,941.25 × 50,129.43
  4. Step 4: Simplify right side
    88,366.34x = 6,112,845,459.30
  5. Step 5: Solve for x
    x = 6,112,845,459.30/88,366.34
  6. Step 6: Final answer
    x = 69,176.17

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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.