Home / 79,511.15-109,726.08-43,702.00

Finding the Fourth Proportional to 79,511.15, 109,726.08 and 43,702.00

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Solution

The fourth proportional to 79,511.15, 109,726.08 and 43,702.00 is: 60,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,511.15 : 109,726.08 = 43,702.00 : x
  2. Step 2: Convert to fraction form
    79,511.15/109,726.08 = 43,702.00/x
  3. Step 3: Cross multiply
    79,511.15x = 109,726.08 × 43,702.00
  4. Step 4: Simplify right side
    79,511.15x = 4,795,248,709.96
  5. Step 5: Solve for x
    x = 4,795,248,709.96/79,511.15
  6. Step 6: Final answer
    x = 60,309.13

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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.