Home / 70,129.24-96,767.06-39,915.08

Finding the Fourth Proportional to 70,129.24, 96,767.06 and 39,915.08

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Solution

The fourth proportional to 70,129.24, 96,767.06 and 39,915.08 is: 55,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,129.24 : 96,767.06 = 39,915.08 : x
  2. Step 2: Convert to fraction form
    70,129.24/96,767.06 = 39,915.08/x
  3. Step 3: Cross multiply
    70,129.24x = 96,767.06 × 39,915.08
  4. Step 4: Simplify right side
    70,129.24x = 3,862,464,620.73
  5. Step 5: Solve for x
    x = 3,862,464,620.73/70,129.24
  6. Step 6: Final answer
    x = 55,076.38

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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.