Home / 74,839.97-103,278.66-40,848.32

Finding the Fourth Proportional to 74,839.97, 103,278.66 and 40,848.32

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Solution

The fourth proportional to 74,839.97, 103,278.66 and 40,848.32 is: 56,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,839.97 : 103,278.66 = 40,848.32 : x
  2. Step 2: Convert to fraction form
    74,839.97/103,278.66 = 40,848.32/x
  3. Step 3: Cross multiply
    74,839.97x = 103,278.66 × 40,848.32
  4. Step 4: Simplify right side
    74,839.97x = 4,218,759,752.85
  5. Step 5: Solve for x
    x = 4,218,759,752.85/74,839.97
  6. Step 6: Final answer
    x = 56,370.41

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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.