Home / 79,264.48-109,384.08-45,729.76

Finding the Fourth Proportional to 79,264.48, 109,384.08 and 45,729.76

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Solution

The fourth proportional to 79,264.48, 109,384.08 and 45,729.76 is: 63,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.48 : 109,384.08 = 45,729.76 : x
  2. Step 2: Convert to fraction form
    79,264.48/109,384.08 = 45,729.76/x
  3. Step 3: Cross multiply
    79,264.48x = 109,384.08 × 45,729.76
  4. Step 4: Simplify right side
    79,264.48x = 5,002,107,726.22
  5. Step 5: Solve for x
    x = 5,002,107,726.22/79,264.48
  6. Step 6: Final answer
    x = 63,106.55

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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.