Home / 86,637.78-119,548.33-48,392.46

Finding the Fourth Proportional to 86,637.78, 119,548.33 and 48,392.46

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Solution

The fourth proportional to 86,637.78, 119,548.33 and 48,392.46 is: 66,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,637.78 : 119,548.33 = 48,392.46 : x
  2. Step 2: Convert to fraction form
    86,637.78/119,548.33 = 48,392.46/x
  3. Step 3: Cross multiply
    86,637.78x = 119,548.33 × 48,392.46
  4. Step 4: Simplify right side
    86,637.78x = 5,785,238,128.94
  5. Step 5: Solve for x
    x = 5,785,238,128.94/86,637.78
  6. Step 6: Final answer
    x = 66,775.01

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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.