Home / 98,269.38-135,616.55-55,262.40

Finding the Fourth Proportional to 98,269.38, 135,616.55 and 55,262.40

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Solution

The fourth proportional to 98,269.38, 135,616.55 and 55,262.40 is: 76,264.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,269.38 : 135,616.55 = 55,262.40 : x
  2. Step 2: Convert to fraction form
    98,269.38/135,616.55 = 55,262.40/x
  3. Step 3: Cross multiply
    98,269.38x = 135,616.55 × 55,262.40
  4. Step 4: Simplify right side
    98,269.38x = 7,494,495,756.41
  5. Step 5: Solve for x
    x = 7,494,495,756.41/98,269.38
  6. Step 6: Final answer
    x = 76,264.81

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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.