Home / 89,097.75-122,955.12-48,812.30

Finding the Fourth Proportional to 89,097.75, 122,955.12 and 48,812.30

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Solution

The fourth proportional to 89,097.75, 122,955.12 and 48,812.30 is: 67,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,097.75 : 122,955.12 = 48,812.30 : x
  2. Step 2: Convert to fraction form
    89,097.75/122,955.12 = 48,812.30/x
  3. Step 3: Cross multiply
    89,097.75x = 122,955.12 × 48,812.30
  4. Step 4: Simplify right side
    89,097.75x = 6,001,722,050.28
  5. Step 5: Solve for x
    x = 6,001,722,050.28/89,097.75
  6. Step 6: Final answer
    x = 67,361.10

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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.