Home / 66,789.13-92,169.14-36,162.55

Finding the Fourth Proportional to 66,789.13, 92,169.14 and 36,162.55

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Solution

The fourth proportional to 66,789.13, 92,169.14 and 36,162.55 is: 49,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,789.13 : 92,169.14 = 36,162.55 : x
  2. Step 2: Convert to fraction form
    66,789.13/92,169.14 = 36,162.55/x
  3. Step 3: Cross multiply
    66,789.13x = 92,169.14 × 36,162.55
  4. Step 4: Simplify right side
    66,789.13x = 3,333,071,133.71
  5. Step 5: Solve for x
    x = 3,333,071,133.71/66,789.13
  6. Step 6: Final answer
    x = 49,904.40

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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.