Home / 69,712.05-96,202.30-39,497.31

Finding the Fourth Proportional to 69,712.05, 96,202.30 and 39,497.31

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Solution

The fourth proportional to 69,712.05, 96,202.30 and 39,497.31 is: 54,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.05 : 96,202.30 = 39,497.31 : x
  2. Step 2: Convert to fraction form
    69,712.05/96,202.30 = 39,497.31/x
  3. Step 3: Cross multiply
    69,712.05x = 96,202.30 × 39,497.31
  4. Step 4: Simplify right side
    69,712.05x = 3,799,732,065.81
  5. Step 5: Solve for x
    x = 3,799,732,065.81/69,712.05
  6. Step 6: Final answer
    x = 54,506.10

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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.