Home / 66,496.09-91,764.15-36,281.47

Finding the Fourth Proportional to 66,496.09, 91,764.15 and 36,281.47

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Solution

The fourth proportional to 66,496.09, 91,764.15 and 36,281.47 is: 50,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496.09 : 91,764.15 = 36,281.47 : x
  2. Step 2: Convert to fraction form
    66,496.09/91,764.15 = 36,281.47/x
  3. Step 3: Cross multiply
    66,496.09x = 91,764.15 × 36,281.47
  4. Step 4: Simplify right side
    66,496.09x = 3,329,338,255.30
  5. Step 5: Solve for x
    x = 3,329,338,255.30/66,496.09
  6. Step 6: Final answer
    x = 50,068.18

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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.