Home / 107,590.05-148,372.34-68,840.15

Finding the Fourth Proportional to 107,590.05, 148,372.34 and 68,840.15

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Solution

The fourth proportional to 107,590.05, 148,372.34 and 68,840.15 is: 94,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,590.05 : 148,372.34 = 68,840.15 : x
  2. Step 2: Convert to fraction form
    107,590.05/148,372.34 = 68,840.15/x
  3. Step 3: Cross multiply
    107,590.05x = 148,372.34 × 68,840.15
  4. Step 4: Simplify right side
    107,590.05x = 10,213,973,055.39
  5. Step 5: Solve for x
    x = 10,213,973,055.39/107,590.05
  6. Step 6: Final answer
    x = 94,934.18

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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.