Home / 98,010.54-135,253.94-54,402.62

Finding the Fourth Proportional to 98,010.54, 135,253.94 and 54,402.62

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Solution

The fourth proportional to 98,010.54, 135,253.94 and 54,402.62 is: 75,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010.54 : 135,253.94 = 54,402.62 : x
  2. Step 2: Convert to fraction form
    98,010.54/135,253.94 = 54,402.62/x
  3. Step 3: Cross multiply
    98,010.54x = 135,253.94 × 54,402.62
  4. Step 4: Simplify right side
    98,010.54x = 7,358,167,753.04
  5. Step 5: Solve for x
    x = 7,358,167,753.04/98,010.54
  6. Step 6: Final answer
    x = 75,075.27

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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.