Home / 66,206.16-99,253.26-28,738.08

Finding the Fourth Proportional to 66,206.16, 99,253.26 and 28,738.08

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Solution

The fourth proportional to 66,206.16, 99,253.26 and 28,738.08 is: 43,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.16 : 99,253.26 = 28,738.08 : x
  2. Step 2: Convert to fraction form
    66,206.16/99,253.26 = 28,738.08/x
  3. Step 3: Cross multiply
    66,206.16x = 99,253.26 × 28,738.08
  4. Step 4: Simplify right side
    66,206.16x = 2,852,348,126.14
  5. Step 5: Solve for x
    x = 2,852,348,126.14/66,206.16
  6. Step 6: Final answer
    x = 43,082.82

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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.