Home / 48,515.32-67,071.34-48,072.52

Finding the Fourth Proportional to 48,515.32, 67,071.34 and 48,072.52

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Solution

The fourth proportional to 48,515.32, 67,071.34 and 48,072.52 is: 66,459.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.32 : 67,071.34 = 48,072.52 : x
  2. Step 2: Convert to fraction form
    48,515.32/67,071.34 = 48,072.52/x
  3. Step 3: Cross multiply
    48,515.32x = 67,071.34 × 48,072.52
  4. Step 4: Simplify right side
    48,515.32x = 3,224,288,333.58
  5. Step 5: Solve for x
    x = 3,224,288,333.58/48,515.32
  6. Step 6: Final answer
    x = 66,459.18

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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.