Home / 75,298.83-112,948.64-25,379.36

Finding the Fourth Proportional to 75,298.83, 112,948.64 and 25,379.36

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Solution

The fourth proportional to 75,298.83, 112,948.64 and 25,379.36 is: 38,069.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.83 : 112,948.64 = 25,379.36 : x
  2. Step 2: Convert to fraction form
    75,298.83/112,948.64 = 25,379.36/x
  3. Step 3: Cross multiply
    75,298.83x = 112,948.64 × 25,379.36
  4. Step 4: Simplify right side
    75,298.83x = 2,866,564,446.72
  5. Step 5: Solve for x
    x = 2,866,564,446.72/75,298.83
  6. Step 6: Final answer
    x = 38,069.18

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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.