Home / 90,958.16-136,463.16-66,023.12

Finding the Fourth Proportional to 90,958.16, 136,463.16 and 66,023.12

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Solution

The fourth proportional to 90,958.16, 136,463.16 and 66,023.12 is: 99,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,958.16 : 136,463.16 = 66,023.12 : x
  2. Step 2: Convert to fraction form
    90,958.16/136,463.16 = 66,023.12/x
  3. Step 3: Cross multiply
    90,958.16x = 136,463.16 × 66,023.12
  4. Step 4: Simplify right side
    90,958.16x = 9,009,723,588.26
  5. Step 5: Solve for x
    x = 9,009,723,588.26/90,958.16
  6. Step 6: Final answer
    x = 99,053.49

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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.