Home / 67,081.04-92,566.44-38,788.56

Finding the Fourth Proportional to 67,081.04, 92,566.44 and 38,788.56

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Solution

The fourth proportional to 67,081.04, 92,566.44 and 38,788.56 is: 53,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.04 : 92,566.44 = 38,788.56 : x
  2. Step 2: Convert to fraction form
    67,081.04/92,566.44 = 38,788.56/x
  3. Step 3: Cross multiply
    67,081.04x = 92,566.44 × 38,788.56
  4. Step 4: Simplify right side
    67,081.04x = 3,590,518,911.93
  5. Step 5: Solve for x
    x = 3,590,518,911.93/67,081.04
  6. Step 6: Final answer
    x = 53,525.09

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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.