Home / 77,254.44-115,685.64-64,741.56

Finding the Fourth Proportional to 77,254.44, 115,685.64 and 64,741.56

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Solution

The fourth proportional to 77,254.44, 115,685.64 and 64,741.56 is: 96,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.44 : 115,685.64 = 64,741.56 : x
  2. Step 2: Convert to fraction form
    77,254.44/115,685.64 = 64,741.56/x
  3. Step 3: Cross multiply
    77,254.44x = 115,685.64 × 64,741.56
  4. Step 4: Simplify right side
    77,254.44x = 7,489,668,803.20
  5. Step 5: Solve for x
    x = 7,489,668,803.20/77,254.44
  6. Step 6: Final answer
    x = 96,948.07

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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.