Home / 98,233.92-135,613.95-76,381.74

Finding the Fourth Proportional to 98,233.92, 135,613.95 and 76,381.74

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Solution

The fourth proportional to 98,233.92, 135,613.95 and 76,381.74 is: 105,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,233.92 : 135,613.95 = 76,381.74 : x
  2. Step 2: Convert to fraction form
    98,233.92/135,613.95 = 76,381.74/x
  3. Step 3: Cross multiply
    98,233.92x = 135,613.95 × 76,381.74
  4. Step 4: Simplify right side
    98,233.92x = 10,358,429,469.27
  5. Step 5: Solve for x
    x = 10,358,429,469.27/98,233.92
  6. Step 6: Final answer
    x = 105,446.57

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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.