Home / 47,029.79-70,543.77-11,491.34

Finding the Fourth Proportional to 47,029.79, 70,543.77 and 11,491.34

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Solution

The fourth proportional to 47,029.79, 70,543.77 and 11,491.34 is: 17,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.79 : 70,543.77 = 11,491.34 : x
  2. Step 2: Convert to fraction form
    47,029.79/70,543.77 = 11,491.34/x
  3. Step 3: Cross multiply
    47,029.79x = 70,543.77 × 11,491.34
  4. Step 4: Simplify right side
    47,029.79x = 810,642,445.95
  5. Step 5: Solve for x
    x = 810,642,445.95/47,029.79
  6. Step 6: Final answer
    x = 17,236.79

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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.