Home / 74,219.84-111,368.04-34,780.96

Finding the Fourth Proportional to 74,219.84, 111,368.04 and 34,780.96

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Solution

The fourth proportional to 74,219.84, 111,368.04 and 34,780.96 is: 52,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,219.84 : 111,368.04 = 34,780.96 : x
  2. Step 2: Convert to fraction form
    74,219.84/111,368.04 = 34,780.96/x
  3. Step 3: Cross multiply
    74,219.84x = 111,368.04 × 34,780.96
  4. Step 4: Simplify right side
    74,219.84x = 3,873,487,344.52
  5. Step 5: Solve for x
    x = 3,873,487,344.52/74,219.84
  6. Step 6: Final answer
    x = 52,189.38

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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.