Home / 70,915.08-97,862.52-39,083.88

Finding the Fourth Proportional to 70,915.08, 97,862.52 and 39,083.88

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Solution

The fourth proportional to 70,915.08, 97,862.52 and 39,083.88 is: 53,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,915.08 : 97,862.52 = 39,083.88 : x
  2. Step 2: Convert to fraction form
    70,915.08/97,862.52 = 39,083.88/x
  3. Step 3: Cross multiply
    70,915.08x = 97,862.52 × 39,083.88
  4. Step 4: Simplify right side
    70,915.08x = 3,824,846,988.18
  5. Step 5: Solve for x
    x = 3,824,846,988.18/70,915.08
  6. Step 6: Final answer
    x = 53,935.59

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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.