Home / 97,427.81-134,452.51-54,986.65

Finding the Fourth Proportional to 97,427.81, 134,452.51 and 54,986.65

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Solution

The fourth proportional to 97,427.81, 134,452.51 and 54,986.65 is: 75,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.81 : 134,452.51 = 54,986.65 : x
  2. Step 2: Convert to fraction form
    97,427.81/134,452.51 = 54,986.65/x
  3. Step 3: Cross multiply
    97,427.81x = 134,452.51 × 54,986.65
  4. Step 4: Simplify right side
    97,427.81x = 7,393,092,635.39
  5. Step 5: Solve for x
    x = 7,393,092,635.39/97,427.81
  6. Step 6: Final answer
    x = 75,882.77

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1.5x scale

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.