Home / 69,639.12-96,102.18-37,808.16

Finding the Fourth Proportional to 69,639.12, 96,102.18 and 37,808.16

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Solution

The fourth proportional to 69,639.12, 96,102.18 and 37,808.16 is: 52,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,639.12 : 96,102.18 = 37,808.16 : x
  2. Step 2: Convert to fraction form
    69,639.12/96,102.18 = 37,808.16/x
  3. Step 3: Cross multiply
    69,639.12x = 96,102.18 × 37,808.16
  4. Step 4: Simplify right side
    69,639.12x = 3,633,446,597.79
  5. Step 5: Solve for x
    x = 3,633,446,597.79/69,639.12
  6. Step 6: Final answer
    x = 52,175.37

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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.