Home / 51,769.08-77,460.30-43,360.20

Finding the Fourth Proportional to 51,769.08, 77,460.30 and 43,360.20

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Solution

The fourth proportional to 51,769.08, 77,460.30 and 43,360.20 is: 64,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.08 : 77,460.30 = 43,360.20 : x
  2. Step 2: Convert to fraction form
    51,769.08/77,460.30 = 43,360.20/x
  3. Step 3: Cross multiply
    51,769.08x = 77,460.30 × 43,360.20
  4. Step 4: Simplify right side
    51,769.08x = 3,358,694,100.06
  5. Step 5: Solve for x
    x = 3,358,694,100.06/51,769.08
  6. Step 6: Final answer
    x = 64,878.38

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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.