Home / 68,824.69-94,985.27-38,618.17

Finding the Fourth Proportional to 68,824.69, 94,985.27 and 38,618.17

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Solution

The fourth proportional to 68,824.69, 94,985.27 and 38,618.17 is: 53,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,824.69 : 94,985.27 = 38,618.17 : x
  2. Step 2: Convert to fraction form
    68,824.69/94,985.27 = 38,618.17/x
  3. Step 3: Cross multiply
    68,824.69x = 94,985.27 × 38,618.17
  4. Step 4: Simplify right side
    68,824.69x = 3,668,157,111.27
  5. Step 5: Solve for x
    x = 3,668,157,111.27/68,824.69
  6. Step 6: Final answer
    x = 53,297.11

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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.