Home / 47,057.07-70,586.51-11,518.70

Finding the Fourth Proportional to 47,057.07, 70,586.51 and 11,518.70

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Solution

The fourth proportional to 47,057.07, 70,586.51 and 11,518.70 is: 17,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,057.07 : 70,586.51 = 11,518.70 : x
  2. Step 2: Convert to fraction form
    47,057.07/70,586.51 = 11,518.70/x
  3. Step 3: Cross multiply
    47,057.07x = 70,586.51 × 11,518.70
  4. Step 4: Simplify right side
    47,057.07x = 813,064,479.80
  5. Step 5: Solve for x
    x = 813,064,479.80/47,057.07
  6. Step 6: Final answer
    x = 17,278.26

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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.