Home / 75,569.79-104,275.31-45,348.69

Finding the Fourth Proportional to 75,569.79, 104,275.31 and 45,348.69

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Solution

The fourth proportional to 75,569.79, 104,275.31 and 45,348.69 is: 62,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,569.79 : 104,275.31 = 45,348.69 : x
  2. Step 2: Convert to fraction form
    75,569.79/104,275.31 = 45,348.69/x
  3. Step 3: Cross multiply
    75,569.79x = 104,275.31 × 45,348.69
  4. Step 4: Simplify right side
    75,569.79x = 4,728,748,481.10
  5. Step 5: Solve for x
    x = 4,728,748,481.10/75,569.79
  6. Step 6: Final answer
    x = 62,574.59

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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.