Home / 98,422.14-135,820.14-55,977.96

Finding the Fourth Proportional to 98,422.14, 135,820.14 and 55,977.96

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Solution

The fourth proportional to 98,422.14, 135,820.14 and 55,977.96 is: 77,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,422.14 : 135,820.14 = 55,977.96 : x
  2. Step 2: Convert to fraction form
    98,422.14/135,820.14 = 55,977.96/x
  3. Step 3: Cross multiply
    98,422.14x = 135,820.14 × 55,977.96
  4. Step 4: Simplify right side
    98,422.14x = 7,602,934,364.11
  5. Step 5: Solve for x
    x = 7,602,934,364.11/98,422.14
  6. Step 6: Final answer
    x = 77,248.21

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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.