Home / 91,849.44-126,812-56,060.20

Finding the Fourth Proportional to 91,849.44, 126,812 and 56,060.20

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Solution

The fourth proportional to 91,849.44, 126,812 and 56,060.20 is: 77,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,849.44 : 126,812 = 56,060.20 : x
  2. Step 2: Convert to fraction form
    91,849.44/126,812 = 56,060.20/x
  3. Step 3: Cross multiply
    91,849.44x = 126,812 × 56,060.20
  4. Step 4: Simplify right side
    91,849.44x = 7,109,106,082.40
  5. Step 5: Solve for x
    x = 7,109,106,082.40/91,849.44
  6. Step 6: Final answer
    x = 77,399.56

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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.