Home / 84,358.86-126,555.33-37,611.78

Finding the Fourth Proportional to 84,358.86, 126,555.33 and 37,611.78

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Solution

The fourth proportional to 84,358.86, 126,555.33 and 37,611.78 is: 56,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,358.86 : 126,555.33 = 37,611.78 : x
  2. Step 2: Convert to fraction form
    84,358.86/126,555.33 = 37,611.78/x
  3. Step 3: Cross multiply
    84,358.86x = 126,555.33 × 37,611.78
  4. Step 4: Simplify right side
    84,358.86x = 4,759,971,229.79
  5. Step 5: Solve for x
    x = 4,759,971,229.79/84,358.86
  6. Step 6: Final answer
    x = 56,425.27

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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.