Home / 77,256.44-115,688.64-64,743.56

Finding the Fourth Proportional to 77,256.44, 115,688.64 and 64,743.56

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Solution

The fourth proportional to 77,256.44, 115,688.64 and 64,743.56 is: 96,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.44 : 115,688.64 = 64,743.56 : x
  2. Step 2: Convert to fraction form
    77,256.44/115,688.64 = 64,743.56/x
  3. Step 3: Cross multiply
    77,256.44x = 115,688.64 × 64,743.56
  4. Step 4: Simplify right side
    77,256.44x = 7,490,094,405.16
  5. Step 5: Solve for x
    x = 7,490,094,405.16/77,256.44
  6. Step 6: Final answer
    x = 96,951.07

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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.