Home / 64,965.30-97,419.15-29,915.70

Finding the Fourth Proportional to 64,965.30, 97,419.15 and 29,915.70

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Solution

The fourth proportional to 64,965.30, 97,419.15 and 29,915.70 is: 44,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965.30 : 97,419.15 = 29,915.70 : x
  2. Step 2: Convert to fraction form
    64,965.30/97,419.15 = 29,915.70/x
  3. Step 3: Cross multiply
    64,965.30x = 97,419.15 × 29,915.70
  4. Step 4: Simplify right side
    64,965.30x = 2,914,362,065.66
  5. Step 5: Solve for x
    x = 2,914,362,065.66/64,965.30
  6. Step 6: Final answer
    x = 44,860.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.