Home / 95,291.04-142,918.11-90,549.36

Finding the Fourth Proportional to 95,291.04, 142,918.11 and 90,549.36

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Solution

The fourth proportional to 95,291.04, 142,918.11 and 90,549.36 is: 135,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,291.04 : 142,918.11 = 90,549.36 : x
  2. Step 2: Convert to fraction form
    95,291.04/142,918.11 = 90,549.36/x
  3. Step 3: Cross multiply
    95,291.04x = 142,918.11 × 90,549.36
  4. Step 4: Simplify right side
    95,291.04x = 12,941,143,392.91
  5. Step 5: Solve for x
    x = 12,941,143,392.91/95,291.04
  6. Step 6: Final answer
    x = 135,806.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.