Home / 86,448.06-119,301.66-48,721.50

Finding the Fourth Proportional to 86,448.06, 119,301.66 and 48,721.50

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Solution

The fourth proportional to 86,448.06, 119,301.66 and 48,721.50 is: 67,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,448.06 : 119,301.66 = 48,721.50 : x
  2. Step 2: Convert to fraction form
    86,448.06/119,301.66 = 48,721.50/x
  3. Step 3: Cross multiply
    86,448.06x = 119,301.66 × 48,721.50
  4. Step 4: Simplify right side
    86,448.06x = 5,812,555,827.69
  5. Step 5: Solve for x
    x = 5,812,555,827.69/86,448.06
  6. Step 6: Final answer
    x = 67,237.55

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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.