Home / 86,389.48-119,227.16-48,152.51

Finding the Fourth Proportional to 86,389.48, 119,227.16 and 48,152.51

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Solution

The fourth proportional to 86,389.48, 119,227.16 and 48,152.51 is: 66,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,389.48 : 119,227.16 = 48,152.51 : x
  2. Step 2: Convert to fraction form
    86,389.48/119,227.16 = 48,152.51/x
  3. Step 3: Cross multiply
    86,389.48x = 119,227.16 × 48,152.51
  4. Step 4: Simplify right side
    86,389.48x = 5,741,087,014.17
  5. Step 5: Solve for x
    x = 5,741,087,014.17/86,389.48
  6. Step 6: Final answer
    x = 66,455.86

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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.