Home / 115,913.49-159,951.83-70,586.46

Finding the Fourth Proportional to 115,913.49, 159,951.83 and 70,586.46

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Solution

The fourth proportional to 115,913.49, 159,951.83 and 70,586.46 is: 97,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,913.49 : 159,951.83 = 70,586.46 : x
  2. Step 2: Convert to fraction form
    115,913.49/159,951.83 = 70,586.46/x
  3. Step 3: Cross multiply
    115,913.49x = 159,951.83 × 70,586.46
  4. Step 4: Simplify right side
    115,913.49x = 11,290,433,097.29
  5. Step 5: Solve for x
    x = 11,290,433,097.29/115,913.49
  6. Step 6: Final answer
    x = 97,403.96

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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.