Home / 60,721.58-91,088.45-18,601.17

Finding the Fourth Proportional to 60,721.58, 91,088.45 and 18,601.17

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Solution

The fourth proportional to 60,721.58, 91,088.45 and 18,601.17 is: 27,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.58 : 91,088.45 = 18,601.17 : x
  2. Step 2: Convert to fraction form
    60,721.58/91,088.45 = 18,601.17/x
  3. Step 3: Cross multiply
    60,721.58x = 91,088.45 × 18,601.17
  4. Step 4: Simplify right side
    60,721.58x = 1,694,351,650.48
  5. Step 5: Solve for x
    x = 1,694,351,650.48/60,721.58
  6. Step 6: Final answer
    x = 27,903.62

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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.