Home / 52,719.95-79,077.65-15,279.22

Finding the Fourth Proportional to 52,719.95, 79,077.65 and 15,279.22

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Solution

The fourth proportional to 52,719.95, 79,077.65 and 15,279.22 is: 22,918.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.95 : 79,077.65 = 15,279.22 : x
  2. Step 2: Convert to fraction form
    52,719.95/79,077.65 = 15,279.22/x
  3. Step 3: Cross multiply
    52,719.95x = 79,077.65 × 15,279.22
  4. Step 4: Simplify right side
    52,719.95x = 1,208,244,811.43
  5. Step 5: Solve for x
    x = 1,208,244,811.43/52,719.95
  6. Step 6: Final answer
    x = 22,918.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.