Home / 66,256.25-91,434.35-36,041.66

Finding the Fourth Proportional to 66,256.25, 91,434.35 and 36,041.66

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Solution

The fourth proportional to 66,256.25, 91,434.35 and 36,041.66 is: 49,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.25 : 91,434.35 = 36,041.66 : x
  2. Step 2: Convert to fraction form
    66,256.25/91,434.35 = 36,041.66/x
  3. Step 3: Cross multiply
    66,256.25x = 91,434.35 × 36,041.66
  4. Step 4: Simplify right side
    66,256.25x = 3,295,445,387.95
  5. Step 5: Solve for x
    x = 3,295,445,387.95/66,256.25
  6. Step 6: Final answer
    x = 49,737.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.