Home / 77,213.44-115,624.14-64,700.56

Finding the Fourth Proportional to 77,213.44, 115,624.14 and 64,700.56

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Solution

The fourth proportional to 77,213.44, 115,624.14 and 64,700.56 is: 96,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.44 : 115,624.14 = 64,700.56 : x
  2. Step 2: Convert to fraction form
    77,213.44/115,624.14 = 64,700.56/x
  3. Step 3: Cross multiply
    77,213.44x = 115,624.14 × 64,700.56
  4. Step 4: Simplify right side
    77,213.44x = 7,480,946,607.52
  5. Step 5: Solve for x
    x = 7,480,946,607.52/77,213.44
  6. Step 6: Final answer
    x = 96,886.59

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1.5x scale

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.