Home / 69,781.32-96,307.56-39,577.59

Finding the Fourth Proportional to 69,781.32, 96,307.56 and 39,577.59

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Solution

The fourth proportional to 69,781.32, 96,307.56 and 39,577.59 is: 54,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781.32 : 96,307.56 = 39,577.59 : x
  2. Step 2: Convert to fraction form
    69,781.32/96,307.56 = 39,577.59/x
  3. Step 3: Cross multiply
    69,781.32x = 96,307.56 × 39,577.59
  4. Step 4: Simplify right side
    69,781.32x = 3,811,621,123.58
  5. Step 5: Solve for x
    x = 3,811,621,123.58/69,781.32
  6. Step 6: Final answer
    x = 54,622.37

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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.