Home / 77,302.24-115,975.50-37,870.90

Finding the Fourth Proportional to 77,302.24, 115,975.50 and 37,870.90

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Solution

The fourth proportional to 77,302.24, 115,975.50 and 37,870.90 is: 56,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,302.24 : 115,975.50 = 37,870.90 : x
  2. Step 2: Convert to fraction form
    77,302.24/115,975.50 = 37,870.90/x
  3. Step 3: Cross multiply
    77,302.24x = 115,975.50 × 37,870.90
  4. Step 4: Simplify right side
    77,302.24x = 4,392,096,562.95
  5. Step 5: Solve for x
    x = 4,392,096,562.95/77,302.24
  6. Step 6: Final answer
    x = 56,817.20

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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.