Home / 64,766.91-97,153.83-20,397.12

Finding the Fourth Proportional to 64,766.91, 97,153.83 and 20,397.12

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Solution

The fourth proportional to 64,766.91, 97,153.83 and 20,397.12 is: 30,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,766.91 : 97,153.83 = 20,397.12 : x
  2. Step 2: Convert to fraction form
    64,766.91/97,153.83 = 20,397.12/x
  3. Step 3: Cross multiply
    64,766.91x = 97,153.83 × 20,397.12
  4. Step 4: Simplify right side
    64,766.91x = 1,981,657,964.64
  5. Step 5: Solve for x
    x = 1,981,657,964.64/64,766.91
  6. Step 6: Final answer
    x = 30,596.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.