Home / 79,114.08-109,177.35-43,303.77

Finding the Fourth Proportional to 79,114.08, 109,177.35 and 43,303.77

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Solution

The fourth proportional to 79,114.08, 109,177.35 and 43,303.77 is: 59,759.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.08 : 109,177.35 = 43,303.77 : x
  2. Step 2: Convert to fraction form
    79,114.08/109,177.35 = 43,303.77/x
  3. Step 3: Cross multiply
    79,114.08x = 109,177.35 × 43,303.77
  4. Step 4: Simplify right side
    79,114.08x = 4,727,790,853.61
  5. Step 5: Solve for x
    x = 4,727,790,853.61/79,114.08
  6. Step 6: Final answer
    x = 59,759.16

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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.