Home / 97,821.19-134,998.28-54,798.11

Finding the Fourth Proportional to 97,821.19, 134,998.28 and 54,798.11

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Solution

The fourth proportional to 97,821.19, 134,998.28 and 54,798.11 is: 75,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,821.19 : 134,998.28 = 54,798.11 : x
  2. Step 2: Convert to fraction form
    97,821.19/134,998.28 = 54,798.11/x
  3. Step 3: Cross multiply
    97,821.19x = 134,998.28 × 54,798.11
  4. Step 4: Simplify right side
    97,821.19x = 7,397,650,597.25
  5. Step 5: Solve for x
    x = 7,397,650,597.25/97,821.19
  6. Step 6: Final answer
    x = 75,624.21

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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.