Home / 115,663.44-159,606.68-70,335.16

Finding the Fourth Proportional to 115,663.44, 159,606.68 and 70,335.16

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Solution

The fourth proportional to 115,663.44, 159,606.68 and 70,335.16 is: 97,057.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,663.44 : 159,606.68 = 70,335.16 : x
  2. Step 2: Convert to fraction form
    115,663.44/159,606.68 = 70,335.16/x
  3. Step 3: Cross multiply
    115,663.44x = 159,606.68 × 70,335.16
  4. Step 4: Simplify right side
    115,663.44x = 11,225,961,374.87
  5. Step 5: Solve for x
    x = 11,225,961,374.87/115,663.44
  6. Step 6: Final answer
    x = 97,057.13

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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.