Home / 115,097.14-158,822.70-64,108.16

Finding the Fourth Proportional to 115,097.14, 158,822.70 and 64,108.16

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Solution

The fourth proportional to 115,097.14, 158,822.70 and 64,108.16 is: 88,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,097.14 : 158,822.70 = 64,108.16 : x
  2. Step 2: Convert to fraction form
    115,097.14/158,822.70 = 64,108.16/x
  3. Step 3: Cross multiply
    115,097.14x = 158,822.70 × 64,108.16
  4. Step 4: Simplify right side
    115,097.14x = 10,181,831,063.23
  5. Step 5: Solve for x
    x = 10,181,831,063.23/115,097.14
  6. Step 6: Final answer
    x = 88,462.94

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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.