Home / 98,082.04-135,095.38-75,377.60

Finding the Fourth Proportional to 98,082.04, 135,095.38 and 75,377.60

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Solution

The fourth proportional to 98,082.04, 135,095.38 and 75,377.60 is: 103,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,082.04 : 135,095.38 = 75,377.60 : x
  2. Step 2: Convert to fraction form
    98,082.04/135,095.38 = 75,377.60/x
  3. Step 3: Cross multiply
    98,082.04x = 135,095.38 × 75,377.60
  4. Step 4: Simplify right side
    98,082.04x = 10,183,165,515.49
  5. Step 5: Solve for x
    x = 10,183,165,515.49/98,082.04
  6. Step 6: Final answer
    x = 103,822.94

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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.