Home / 84,933.88-127,307.40-34,986.74

Finding the Fourth Proportional to 84,933.88, 127,307.40 and 34,986.74

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Solution

The fourth proportional to 84,933.88, 127,307.40 and 34,986.74 is: 52,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.88 : 127,307.40 = 34,986.74 : x
  2. Step 2: Convert to fraction form
    84,933.88/127,307.40 = 34,986.74/x
  3. Step 3: Cross multiply
    84,933.88x = 127,307.40 × 34,986.74
  4. Step 4: Simplify right side
    84,933.88x = 4,454,070,136.14
  5. Step 5: Solve for x
    x = 4,454,070,136.14/84,933.88
  6. Step 6: Final answer
    x = 52,441.62

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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.