Home / 67,416.70-93,053.55-39,131.50

Finding the Fourth Proportional to 67,416.70, 93,053.55 and 39,131.50

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Solution

The fourth proportional to 67,416.70, 93,053.55 and 39,131.50 is: 54,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.70 : 93,053.55 = 39,131.50 : x
  2. Step 2: Convert to fraction form
    67,416.70/93,053.55 = 39,131.50/x
  3. Step 3: Cross multiply
    67,416.70x = 93,053.55 × 39,131.50
  4. Step 4: Simplify right side
    67,416.70x = 3,641,324,991.83
  5. Step 5: Solve for x
    x = 3,641,324,991.83/67,416.70
  6. Step 6: Final answer
    x = 54,012.21

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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.