Home / 66,631.48-91,948.58-36,416.32

Finding the Fourth Proportional to 66,631.48, 91,948.58 and 36,416.32

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Solution

The fourth proportional to 66,631.48, 91,948.58 and 36,416.32 is: 50,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,631.48 : 91,948.58 = 36,416.32 : x
  2. Step 2: Convert to fraction form
    66,631.48/91,948.58 = 36,416.32/x
  3. Step 3: Cross multiply
    66,631.48x = 91,948.58 × 36,416.32
  4. Step 4: Simplify right side
    66,631.48x = 3,348,428,912.83
  5. Step 5: Solve for x
    x = 3,348,428,912.83/66,631.48
  6. Step 6: Final answer
    x = 50,252.96

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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.