Home / 115,301.77-159,092.14-70,003.57

Finding the Fourth Proportional to 115,301.77, 159,092.14 and 70,003.57

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Solution

The fourth proportional to 115,301.77, 159,092.14 and 70,003.57 is: 96,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,301.77 : 159,092.14 = 70,003.57 : x
  2. Step 2: Convert to fraction form
    115,301.77/159,092.14 = 70,003.57/x
  3. Step 3: Cross multiply
    115,301.77x = 159,092.14 × 70,003.57
  4. Step 4: Simplify right side
    115,301.77x = 11,137,017,758.94
  5. Step 5: Solve for x
    x = 11,137,017,758.94/115,301.77
  6. Step 6: Final answer
    x = 96,590.17

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1.5x scale

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.