Home / 73,865.61-110,787.93-42,172.79

Finding the Fourth Proportional to 73,865.61, 110,787.93 and 42,172.79

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Solution

The fourth proportional to 73,865.61, 110,787.93 and 42,172.79 is: 63,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865.61 : 110,787.93 = 42,172.79 : x
  2. Step 2: Convert to fraction form
    73,865.61/110,787.93 = 42,172.79/x
  3. Step 3: Cross multiply
    73,865.61x = 110,787.93 × 42,172.79
  4. Step 4: Simplify right side
    73,865.61x = 4,672,235,552.49
  5. Step 5: Solve for x
    x = 4,672,235,552.49/73,865.61
  6. Step 6: Final answer
    x = 63,253.19

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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.