Home / 78,346.32-108,119.19-44,353.92

Finding the Fourth Proportional to 78,346.32, 108,119.19 and 44,353.92

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Solution

The fourth proportional to 78,346.32, 108,119.19 and 44,353.92 is: 61,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,346.32 : 108,119.19 = 44,353.92 : x
  2. Step 2: Convert to fraction form
    78,346.32/108,119.19 = 44,353.92/x
  3. Step 3: Cross multiply
    78,346.32x = 108,119.19 × 44,353.92
  4. Step 4: Simplify right side
    78,346.32x = 4,795,509,903.72
  5. Step 5: Solve for x
    x = 4,795,509,903.72/78,346.32
  6. Step 6: Final answer
    x = 61,209.13

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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.