Home / 66,761.39-100,176.60-29,347.73

Finding the Fourth Proportional to 66,761.39, 100,176.60 and 29,347.73

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Solution

The fourth proportional to 66,761.39, 100,176.60 and 29,347.73 is: 44,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,761.39 : 100,176.60 = 29,347.73 : x
  2. Step 2: Convert to fraction form
    66,761.39/100,176.60 = 29,347.73/x
  3. Step 3: Cross multiply
    66,761.39x = 100,176.60 × 29,347.73
  4. Step 4: Simplify right side
    66,761.39x = 2,939,955,809.12
  5. Step 5: Solve for x
    x = 2,939,955,809.12/66,761.39
  6. Step 6: Final answer
    x = 44,036.77

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1.5x scale

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.