Home / 107,433.48-161,081.10-70,454.28

Finding the Fourth Proportional to 107,433.48, 161,081.10 and 70,454.28

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Solution

The fourth proportional to 107,433.48, 161,081.10 and 70,454.28 is: 105,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,433.48 : 161,081.10 = 70,454.28 : x
  2. Step 2: Convert to fraction form
    107,433.48/161,081.10 = 70,454.28/x
  3. Step 3: Cross multiply
    107,433.48x = 161,081.10 × 70,454.28
  4. Step 4: Simplify right side
    107,433.48x = 11,348,852,922.11
  5. Step 5: Solve for x
    x = 11,348,852,922.11/107,433.48
  6. Step 6: Final answer
    x = 105,636.09

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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.