Home / 70,552.17-105,828.80-17,961.57

Finding the Fourth Proportional to 70,552.17, 105,828.80 and 17,961.57

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Solution

The fourth proportional to 70,552.17, 105,828.80 and 17,961.57 is: 26,942.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.17 : 105,828.80 = 17,961.57 : x
  2. Step 2: Convert to fraction form
    70,552.17/105,828.80 = 17,961.57/x
  3. Step 3: Cross multiply
    70,552.17x = 105,828.80 × 17,961.57
  4. Step 4: Simplify right side
    70,552.17x = 1,900,851,309.41
  5. Step 5: Solve for x
    x = 1,900,851,309.41/70,552.17
  6. Step 6: Final answer
    x = 26,942.49

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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.