Home / 77,946.91-107,495.00-51,079.66

Finding the Fourth Proportional to 77,946.91, 107,495.00 and 51,079.66

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Solution

The fourth proportional to 77,946.91, 107,495.00 and 51,079.66 is: 70,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.91 : 107,495.00 = 51,079.66 : x
  2. Step 2: Convert to fraction form
    77,946.91/107,495.00 = 51,079.66/x
  3. Step 3: Cross multiply
    77,946.91x = 107,495.00 × 51,079.66
  4. Step 4: Simplify right side
    77,946.91x = 5,490,807,527.56
  5. Step 5: Solve for x
    x = 5,490,807,527.56/77,946.91
  6. Step 6: Final answer
    x = 70,442.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.