Home / 78,530.06-108,347.00-44,535.87

Finding the Fourth Proportional to 78,530.06, 108,347.00 and 44,535.87

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Solution

The fourth proportional to 78,530.06, 108,347.00 and 44,535.87 is: 61,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,530.06 : 108,347.00 = 44,535.87 : x
  2. Step 2: Convert to fraction form
    78,530.06/108,347.00 = 44,535.87/x
  3. Step 3: Cross multiply
    78,530.06x = 108,347.00 × 44,535.87
  4. Step 4: Simplify right side
    78,530.06x = 4,825,327,684.21
  5. Step 5: Solve for x
    x = 4,825,327,684.21/78,530.06
  6. Step 6: Final answer
    x = 61,445.62

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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.