Home / 123,344.16-185,090.05-53,223.47

Finding the Fourth Proportional to 123,344.16, 185,090.05 and 53,223.47

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Solution

The fourth proportional to 123,344.16, 185,090.05 and 53,223.47 is: 79,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.16 : 185,090.05 = 53,223.47 : x
  2. Step 2: Convert to fraction form
    123,344.16/185,090.05 = 53,223.47/x
  3. Step 3: Cross multiply
    123,344.16x = 185,090.05 × 53,223.47
  4. Step 4: Simplify right side
    123,344.16x = 9,851,134,723.47
  5. Step 5: Solve for x
    x = 9,851,134,723.47/123,344.16
  6. Step 6: Final answer
    x = 79,867.05

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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.