Home / 66,914.04-92,340.82-38,619.12

Finding the Fourth Proportional to 66,914.04, 92,340.82 and 38,619.12

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Solution

The fourth proportional to 66,914.04, 92,340.82 and 38,619.12 is: 53,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,914.04 : 92,340.82 = 38,619.12 : x
  2. Step 2: Convert to fraction form
    66,914.04/92,340.82 = 38,619.12/x
  3. Step 3: Cross multiply
    66,914.04x = 92,340.82 × 38,619.12
  4. Step 4: Simplify right side
    66,914.04x = 3,566,121,208.48
  5. Step 5: Solve for x
    x = 3,566,121,208.48/66,914.04
  6. Step 6: Final answer
    x = 53,294.07

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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.