Home / 115,330.05-159,166.89-70,004.52

Finding the Fourth Proportional to 115,330.05, 159,166.89 and 70,004.52

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Solution

The fourth proportional to 115,330.05, 159,166.89 and 70,004.52 is: 96,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,330.05 : 159,166.89 = 70,004.52 : x
  2. Step 2: Convert to fraction form
    115,330.05/159,166.89 = 70,004.52/x
  3. Step 3: Cross multiply
    115,330.05x = 159,166.89 × 70,004.52
  4. Step 4: Simplify right side
    115,330.05x = 11,142,401,734.34
  5. Step 5: Solve for x
    x = 11,142,401,734.34/115,330.05
  6. Step 6: Final answer
    x = 96,613.17

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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.