Home / 88,337.46-121,908.93-49,047.55

Finding the Fourth Proportional to 88,337.46, 121,908.93 and 49,047.55

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Solution

The fourth proportional to 88,337.46, 121,908.93 and 49,047.55 is: 67,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,337.46 : 121,908.93 = 49,047.55 : x
  2. Step 2: Convert to fraction form
    88,337.46/121,908.93 = 49,047.55/x
  3. Step 3: Cross multiply
    88,337.46x = 121,908.93 × 49,047.55
  4. Step 4: Simplify right side
    88,337.46x = 5,979,334,812.55
  5. Step 5: Solve for x
    x = 5,979,334,812.55/88,337.46
  6. Step 6: Final answer
    x = 67,687.42

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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.