Home / 69,641.50-96,106.40-39,426.04

Finding the Fourth Proportional to 69,641.50, 96,106.40 and 39,426.04

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Solution

The fourth proportional to 69,641.50, 96,106.40 and 39,426.04 is: 54,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,641.50 : 96,106.40 = 39,426.04 : x
  2. Step 2: Convert to fraction form
    69,641.50/96,106.40 = 39,426.04/x
  3. Step 3: Cross multiply
    69,641.50x = 96,106.40 × 39,426.04
  4. Step 4: Simplify right side
    69,641.50x = 3,789,094,770.66
  5. Step 5: Solve for x
    x = 3,789,094,770.66/69,641.50
  6. Step 6: Final answer
    x = 54,408.57

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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.