Home / 88,184.46-121,688.28-49,947.87

Finding the Fourth Proportional to 88,184.46, 121,688.28 and 49,947.87

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Solution

The fourth proportional to 88,184.46, 121,688.28 and 49,947.87 is: 68,924.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,184.46 : 121,688.28 = 49,947.87 : x
  2. Step 2: Convert to fraction form
    88,184.46/121,688.28 = 49,947.87/x
  3. Step 3: Cross multiply
    88,184.46x = 121,688.28 × 49,947.87
  4. Step 4: Simplify right side
    88,184.46x = 6,078,070,389.96
  5. Step 5: Solve for x
    x = 6,078,070,389.96/88,184.46
  6. Step 6: Final answer
    x = 68,924.51

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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.