Home / 70,988.46-97,912.64-48,287.15

Finding the Fourth Proportional to 70,988.46, 97,912.64 and 48,287.15

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Solution

The fourth proportional to 70,988.46, 97,912.64 and 48,287.15 is: 66,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.46 : 97,912.64 = 48,287.15 : x
  2. Step 2: Convert to fraction form
    70,988.46/97,912.64 = 48,287.15/x
  3. Step 3: Cross multiply
    70,988.46x = 97,912.64 × 48,287.15
  4. Step 4: Simplify right side
    70,988.46x = 4,727,922,334.58
  5. Step 5: Solve for x
    x = 4,727,922,334.58/70,988.46
  6. Step 6: Final answer
    x = 66,601.28

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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.