Home / 86,628.10-119,545.49-48,388.18

Finding the Fourth Proportional to 86,628.10, 119,545.49 and 48,388.18

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Solution

The fourth proportional to 86,628.10, 119,545.49 and 48,388.18 is: 66,774.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.10 : 119,545.49 = 48,388.18 : x
  2. Step 2: Convert to fraction form
    86,628.10/119,545.49 = 48,388.18/x
  3. Step 3: Cross multiply
    86,628.10x = 119,545.49 × 48,388.18
  4. Step 4: Simplify right side
    86,628.10x = 5,784,587,848.64
  5. Step 5: Solve for x
    x = 5,784,587,848.64/86,628.10
  6. Step 6: Final answer
    x = 66,774.96

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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.