Home / 115,383.36-159,240.32-70,050.88

Finding the Fourth Proportional to 115,383.36, 159,240.32 and 70,050.88

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Solution

The fourth proportional to 115,383.36, 159,240.32 and 70,050.88 is: 96,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,383.36 : 159,240.32 = 70,050.88 : x
  2. Step 2: Convert to fraction form
    115,383.36/159,240.32 = 70,050.88/x
  3. Step 3: Cross multiply
    115,383.36x = 159,240.32 × 70,050.88
  4. Step 4: Simplify right side
    115,383.36x = 11,154,924,547.48
  5. Step 5: Solve for x
    x = 11,154,924,547.48/115,383.36
  6. Step 6: Final answer
    x = 96,677.06

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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.