Home / 71,574.21-98,717.67-48,621.74

Finding the Fourth Proportional to 71,574.21, 98,717.67 and 48,621.74

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Solution

The fourth proportional to 71,574.21, 98,717.67 and 48,621.74 is: 67,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,574.21 : 98,717.67 = 48,621.74 : x
  2. Step 2: Convert to fraction form
    71,574.21/98,717.67 = 48,621.74/x
  3. Step 3: Cross multiply
    71,574.21x = 98,717.67 × 48,621.74
  4. Step 4: Simplify right side
    71,574.21x = 4,799,824,390.56
  5. Step 5: Solve for x
    x = 4,799,824,390.56/71,574.21
  6. Step 6: Final answer
    x = 67,060.81

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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.