Home / 70,934.49-97,890.28-39,104.53

Finding the Fourth Proportional to 70,934.49, 97,890.28 and 39,104.53

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Solution

The fourth proportional to 70,934.49, 97,890.28 and 39,104.53 is: 53,964.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.49 : 97,890.28 = 39,104.53 : x
  2. Step 2: Convert to fraction form
    70,934.49/97,890.28 = 39,104.53/x
  3. Step 3: Cross multiply
    70,934.49x = 97,890.28 × 39,104.53
  4. Step 4: Simplify right side
    70,934.49x = 3,827,952,705.99
  5. Step 5: Solve for x
    x = 3,827,952,705.99/70,934.49
  6. Step 6: Final answer
    x = 53,964.62

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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.