Home / 77,277.80-115,938.30-37,836.20

Finding the Fourth Proportional to 77,277.80, 115,938.30 and 37,836.20

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Solution

The fourth proportional to 77,277.80, 115,938.30 and 37,836.20 is: 56,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,277.80 : 115,938.30 = 37,836.20 : x
  2. Step 2: Convert to fraction form
    77,277.80/115,938.30 = 37,836.20/x
  3. Step 3: Cross multiply
    77,277.80x = 115,938.30 × 37,836.20
  4. Step 4: Simplify right side
    77,277.80x = 4,386,664,706.46
  5. Step 5: Solve for x
    x = 4,386,664,706.46/77,277.80
  6. Step 6: Final answer
    x = 56,764.88

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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.