Home / 66,279.04-99,453.12-26,865.28

Finding the Fourth Proportional to 66,279.04, 99,453.12 and 26,865.28

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Solution

The fourth proportional to 66,279.04, 99,453.12 and 26,865.28 is: 40,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.04 : 99,453.12 = 26,865.28 : x
  2. Step 2: Convert to fraction form
    66,279.04/99,453.12 = 26,865.28/x
  3. Step 3: Cross multiply
    66,279.04x = 99,453.12 × 26,865.28
  4. Step 4: Simplify right side
    66,279.04x = 2,671,835,915.67
  5. Step 5: Solve for x
    x = 2,671,835,915.67/66,279.04
  6. Step 6: Final answer
    x = 40,311.93

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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.