Home / 66,278.66-91,434.81-44,761.41

Finding the Fourth Proportional to 66,278.66, 91,434.81 and 44,761.41

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Solution

The fourth proportional to 66,278.66, 91,434.81 and 44,761.41 is: 61,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,278.66 : 91,434.81 = 44,761.41 : x
  2. Step 2: Convert to fraction form
    66,278.66/91,434.81 = 44,761.41/x
  3. Step 3: Cross multiply
    66,278.66x = 91,434.81 × 44,761.41
  4. Step 4: Simplify right side
    66,278.66x = 4,092,751,018.68
  5. Step 5: Solve for x
    x = 4,092,751,018.68/66,278.66
  6. Step 6: Final answer
    x = 61,750.66

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1.5x scale

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.