Home / 51,742.10-77,552.40-51,188.06

Finding the Fourth Proportional to 51,742.10, 77,552.40 and 51,188.06

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Solution

The fourth proportional to 51,742.10, 77,552.40 and 51,188.06 is: 76,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.10 : 77,552.40 = 51,188.06 : x
  2. Step 2: Convert to fraction form
    51,742.10/77,552.40 = 51,188.06/x
  3. Step 3: Cross multiply
    51,742.10x = 77,552.40 × 51,188.06
  4. Step 4: Simplify right side
    51,742.10x = 3,969,756,904.34
  5. Step 5: Solve for x
    x = 3,969,756,904.34/51,742.10
  6. Step 6: Final answer
    x = 76,721.99

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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.