Home / 98,083.26-135,430.92-75,385.98

Finding the Fourth Proportional to 98,083.26, 135,430.92 and 75,385.98

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Solution

The fourth proportional to 98,083.26, 135,430.92 and 75,385.98 is: 104,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,083.26 : 135,430.92 = 75,385.98 : x
  2. Step 2: Convert to fraction form
    98,083.26/135,430.92 = 75,385.98/x
  3. Step 3: Cross multiply
    98,083.26x = 135,430.92 × 75,385.98
  4. Step 4: Simplify right side
    98,083.26x = 10,209,592,626.50
  5. Step 5: Solve for x
    x = 10,209,592,626.50/98,083.26
  6. Step 6: Final answer
    x = 104,091.08

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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.