Home / 66,394.08-91,622.69-36,179.66

Finding the Fourth Proportional to 66,394.08, 91,622.69 and 36,179.66

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Solution

The fourth proportional to 66,394.08, 91,622.69 and 36,179.66 is: 49,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,394.08 : 91,622.69 = 36,179.66 : x
  2. Step 2: Convert to fraction form
    66,394.08/91,622.69 = 36,179.66/x
  3. Step 3: Cross multiply
    66,394.08x = 91,622.69 × 36,179.66
  4. Step 4: Simplify right side
    66,394.08x = 3,314,878,159.83
  5. Step 5: Solve for x
    x = 3,314,878,159.83/66,394.08
  6. Step 6: Final answer
    x = 49,927.32

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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.