Home / 84,360.72-126,516.43-39,975.56

Finding the Fourth Proportional to 84,360.72, 126,516.43 and 39,975.56

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Solution

The fourth proportional to 84,360.72, 126,516.43 and 39,975.56 is: 59,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360.72 : 126,516.43 = 39,975.56 : x
  2. Step 2: Convert to fraction form
    84,360.72/126,516.43 = 39,975.56/x
  3. Step 3: Cross multiply
    84,360.72x = 126,516.43 × 39,975.56
  4. Step 4: Simplify right side
    84,360.72x = 5,057,565,030.27
  5. Step 5: Solve for x
    x = 5,057,565,030.27/84,360.72
  6. Step 6: Final answer
    x = 59,951.66

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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.