Home / 53,139.30-73,332.72-29,266.08

Finding the Fourth Proportional to 53,139.30, 73,332.72 and 29,266.08

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Solution

The fourth proportional to 53,139.30, 73,332.72 and 29,266.08 is: 40,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,139.30 : 73,332.72 = 29,266.08 : x
  2. Step 2: Convert to fraction form
    53,139.30/73,332.72 = 29,266.08/x
  3. Step 3: Cross multiply
    53,139.30x = 73,332.72 × 29,266.08
  4. Step 4: Simplify right side
    53,139.30x = 2,146,161,250.14
  5. Step 5: Solve for x
    x = 2,146,161,250.14/53,139.30
  6. Step 6: Final answer
    x = 40,387.46

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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.