Home / 69,840.76-96,377.41-39,625.43

Finding the Fourth Proportional to 69,840.76, 96,377.41 and 39,625.43

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Solution

The fourth proportional to 69,840.76, 96,377.41 and 39,625.43 is: 54,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.76 : 96,377.41 = 39,625.43 : x
  2. Step 2: Convert to fraction form
    69,840.76/96,377.41 = 39,625.43/x
  3. Step 3: Cross multiply
    69,840.76x = 96,377.41 × 39,625.43
  4. Step 4: Simplify right side
    69,840.76x = 3,818,996,014.29
  5. Step 5: Solve for x
    x = 3,818,996,014.29/69,840.76
  6. Step 6: Final answer
    x = 54,681.48

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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.