Home / 75,417.38-104,064.40-43,580.13

Finding the Fourth Proportional to 75,417.38, 104,064.40 and 43,580.13

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Solution

The fourth proportional to 75,417.38, 104,064.40 and 43,580.13 is: 60,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,417.38 : 104,064.40 = 43,580.13 : x
  2. Step 2: Convert to fraction form
    75,417.38/104,064.40 = 43,580.13/x
  3. Step 3: Cross multiply
    75,417.38x = 104,064.40 × 43,580.13
  4. Step 4: Simplify right side
    75,417.38x = 4,535,139,499.47
  5. Step 5: Solve for x
    x = 4,535,139,499.47/75,417.38
  6. Step 6: Final answer
    x = 60,133.88

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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.