Home / 69,733.74-96,235.08-38,689.80

Finding the Fourth Proportional to 69,733.74, 96,235.08 and 38,689.80

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Solution

The fourth proportional to 69,733.74, 96,235.08 and 38,689.80 is: 53,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,733.74 : 96,235.08 = 38,689.80 : x
  2. Step 2: Convert to fraction form
    69,733.74/96,235.08 = 38,689.80/x
  3. Step 3: Cross multiply
    69,733.74x = 96,235.08 × 38,689.80
  4. Step 4: Simplify right side
    69,733.74x = 3,723,315,998.18
  5. Step 5: Solve for x
    x = 3,723,315,998.18/69,733.74
  6. Step 6: Final answer
    x = 53,393.32

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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.