Home / 69,701.19-96,184.50-39,485.90

Finding the Fourth Proportional to 69,701.19, 96,184.50 and 39,485.90

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Solution

The fourth proportional to 69,701.19, 96,184.50 and 39,485.90 is: 54,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.19 : 96,184.50 = 39,485.90 : x
  2. Step 2: Convert to fraction form
    69,701.19/96,184.50 = 39,485.90/x
  3. Step 3: Cross multiply
    69,701.19x = 96,184.50 × 39,485.90
  4. Step 4: Simplify right side
    69,701.19x = 3,797,931,067.63
  5. Step 5: Solve for x
    x = 3,797,931,067.63/69,701.19
  6. Step 6: Final answer
    x = 54,488.76

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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.