Home / 52,493.80-78,740.70-47,901.10

Finding the Fourth Proportional to 52,493.80, 78,740.70 and 47,901.10

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Solution

The fourth proportional to 52,493.80, 78,740.70 and 47,901.10 is: 71,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,493.80 : 78,740.70 = 47,901.10 : x
  2. Step 2: Convert to fraction form
    52,493.80/78,740.70 = 47,901.10/x
  3. Step 3: Cross multiply
    52,493.80x = 78,740.70 × 47,901.10
  4. Step 4: Simplify right side
    52,493.80x = 3,771,766,144.77
  5. Step 5: Solve for x
    x = 3,771,766,144.77/52,493.80
  6. Step 6: Final answer
    x = 71,851.65

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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.