Home / 98,958.42-136,586.39-56,541.56

Finding the Fourth Proportional to 98,958.42, 136,586.39 and 56,541.56

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Solution

The fourth proportional to 98,958.42, 136,586.39 and 56,541.56 is: 78,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,958.42 : 136,586.39 = 56,541.56 : x
  2. Step 2: Convert to fraction form
    98,958.42/136,586.39 = 56,541.56/x
  3. Step 3: Cross multiply
    98,958.42x = 136,586.39 × 56,541.56
  4. Step 4: Simplify right side
    98,958.42x = 7,722,806,599.73
  5. Step 5: Solve for x
    x = 7,722,806,599.73/98,958.42
  6. Step 6: Final answer
    x = 78,040.92

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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.