Home / 71,529.48-98,713.89-50,315.58

Finding the Fourth Proportional to 71,529.48, 98,713.89 and 50,315.58

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Solution

The fourth proportional to 71,529.48, 98,713.89 and 50,315.58 is: 69,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,529.48 : 98,713.89 = 50,315.58 : x
  2. Step 2: Convert to fraction form
    71,529.48/98,713.89 = 50,315.58/x
  3. Step 3: Cross multiply
    71,529.48x = 98,713.89 × 50,315.58
  4. Step 4: Simplify right side
    71,529.48x = 4,966,846,629.41
  5. Step 5: Solve for x
    x = 4,966,846,629.41/71,529.48
  6. Step 6: Final answer
    x = 69,437.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.