Home / 74,919.42-103,318.35-55,841.49

Finding the Fourth Proportional to 74,919.42, 103,318.35 and 55,841.49

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Solution

The fourth proportional to 74,919.42, 103,318.35 and 55,841.49 is: 77,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.42 : 103,318.35 = 55,841.49 : x
  2. Step 2: Convert to fraction form
    74,919.42/103,318.35 = 55,841.49/x
  3. Step 3: Cross multiply
    74,919.42x = 103,318.35 × 55,841.49
  4. Step 4: Simplify right side
    74,919.42x = 5,769,450,608.34
  5. Step 5: Solve for x
    x = 5,769,450,608.34/74,919.42
  6. Step 6: Final answer
    x = 77,008.75

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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.