Home / 66,225.88-99,336.59-28,785.93

Finding the Fourth Proportional to 66,225.88, 99,336.59 and 28,785.93

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Solution

The fourth proportional to 66,225.88, 99,336.59 and 28,785.93 is: 43,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,225.88 : 99,336.59 = 28,785.93 : x
  2. Step 2: Convert to fraction form
    66,225.88/99,336.59 = 28,785.93/x
  3. Step 3: Cross multiply
    66,225.88x = 99,336.59 × 28,785.93
  4. Step 4: Simplify right side
    66,225.88x = 2,859,496,126.18
  5. Step 5: Solve for x
    x = 2,859,496,126.18/66,225.88
  6. Step 6: Final answer
    x = 43,177.93

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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.