Home / 51,868.55-77,802.83-47,275.85

Finding the Fourth Proportional to 51,868.55, 77,802.83 and 47,275.85

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Solution

The fourth proportional to 51,868.55, 77,802.83 and 47,275.85 is: 70,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,868.55 : 77,802.83 = 47,275.85 : x
  2. Step 2: Convert to fraction form
    51,868.55/77,802.83 = 47,275.85/x
  3. Step 3: Cross multiply
    51,868.55x = 77,802.83 × 47,275.85
  4. Step 4: Simplify right side
    51,868.55x = 3,678,194,684.28
  5. Step 5: Solve for x
    x = 3,678,194,684.28/51,868.55
  6. Step 6: Final answer
    x = 70,913.78

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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.