Home / 115,564.32-159,497.06-70,256.48

Finding the Fourth Proportional to 115,564.32, 159,497.06 and 70,256.48

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Solution

The fourth proportional to 115,564.32, 159,497.06 and 70,256.48 is: 96,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,564.32 : 159,497.06 = 70,256.48 : x
  2. Step 2: Convert to fraction form
    115,564.32/159,497.06 = 70,256.48/x
  3. Step 3: Cross multiply
    115,564.32x = 159,497.06 × 70,256.48
  4. Step 4: Simplify right side
    115,564.32x = 11,205,700,857.18
  5. Step 5: Solve for x
    x = 11,205,700,857.18/115,564.32
  6. Step 6: Final answer
    x = 96,965.06

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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.