Home / 45,092.16-67,653.36-21,715.92

Finding the Fourth Proportional to 45,092.16, 67,653.36 and 21,715.92

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Solution

The fourth proportional to 45,092.16, 67,653.36 and 21,715.92 is: 32,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,092.16 : 67,653.36 = 21,715.92 : x
  2. Step 2: Convert to fraction form
    45,092.16/67,653.36 = 21,715.92/x
  3. Step 3: Cross multiply
    45,092.16x = 67,653.36 × 21,715.92
  4. Step 4: Simplify right side
    45,092.16x = 1,469,154,953.49
  5. Step 5: Solve for x
    x = 1,469,154,953.49/45,092.16
  6. Step 6: Final answer
    x = 32,581.16

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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.