Home / 76,336.26-105,344.08-42,802.26

Finding the Fourth Proportional to 76,336.26, 105,344.08 and 42,802.26

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Solution

The fourth proportional to 76,336.26, 105,344.08 and 42,802.26 is: 59,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.26 : 105,344.08 = 42,802.26 : x
  2. Step 2: Convert to fraction form
    76,336.26/105,344.08 = 42,802.26/x
  3. Step 3: Cross multiply
    76,336.26x = 105,344.08 × 42,802.26
  4. Step 4: Simplify right side
    76,336.26x = 4,508,964,701.62
  5. Step 5: Solve for x
    x = 4,508,964,701.62/76,336.26
  6. Step 6: Final answer
    x = 59,067.14

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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.