Home / 66,235.74-99,368.10-28,801.59

Finding the Fourth Proportional to 66,235.74, 99,368.10 and 28,801.59

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Solution

The fourth proportional to 66,235.74, 99,368.10 and 28,801.59 is: 43,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,235.74 : 99,368.10 = 28,801.59 : x
  2. Step 2: Convert to fraction form
    66,235.74/99,368.10 = 28,801.59/x
  3. Step 3: Cross multiply
    66,235.74x = 99,368.10 × 28,801.59
  4. Step 4: Simplify right side
    66,235.74x = 2,861,959,275.28
  5. Step 5: Solve for x
    x = 2,861,959,275.28/66,235.74
  6. Step 6: Final answer
    x = 43,208.69

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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.