Home / 107,664.15-161,392.05-60,302.25

Finding the Fourth Proportional to 107,664.15, 161,392.05 and 60,302.25

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Solution

The fourth proportional to 107,664.15, 161,392.05 and 60,302.25 is: 90,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,664.15 : 161,392.05 = 60,302.25 : x
  2. Step 2: Convert to fraction form
    107,664.15/161,392.05 = 60,302.25/x
  3. Step 3: Cross multiply
    107,664.15x = 161,392.05 × 60,302.25
  4. Step 4: Simplify right side
    107,664.15x = 9,732,303,747.11
  5. Step 5: Solve for x
    x = 9,732,303,747.11/107,664.15
  6. Step 6: Final answer
    x = 90,395.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.