Home / 71,823.93-99,116.09-39,557.94

Finding the Fourth Proportional to 71,823.93, 99,116.09 and 39,557.94

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Solution

The fourth proportional to 71,823.93, 99,116.09 and 39,557.94 is: 54,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,823.93 : 99,116.09 = 39,557.94 : x
  2. Step 2: Convert to fraction form
    71,823.93/99,116.09 = 39,557.94/x
  3. Step 3: Cross multiply
    71,823.93x = 99,116.09 × 39,557.94
  4. Step 4: Simplify right side
    71,823.93x = 3,920,827,920.12
  5. Step 5: Solve for x
    x = 3,920,827,920.12/71,823.93
  6. Step 6: Final answer
    x = 54,589.44

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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.