Home / 77,964.72-107,566.76-47,718.51

Finding the Fourth Proportional to 77,964.72, 107,566.76 and 47,718.51

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Solution

The fourth proportional to 77,964.72, 107,566.76 and 47,718.51 is: 65,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.72 : 107,566.76 = 47,718.51 : x
  2. Step 2: Convert to fraction form
    77,964.72/107,566.76 = 47,718.51/x
  3. Step 3: Cross multiply
    77,964.72x = 107,566.76 × 47,718.51
  4. Step 4: Simplify right side
    77,964.72x = 5,132,925,856.45
  5. Step 5: Solve for x
    x = 5,132,925,856.45/77,964.72
  6. Step 6: Final answer
    x = 65,836.52

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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.