Home / 105,923.12-158,975.80-61,488.14

Finding the Fourth Proportional to 105,923.12, 158,975.80 and 61,488.14

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Solution

The fourth proportional to 105,923.12, 158,975.80 and 61,488.14 is: 92,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.12 : 158,975.80 = 61,488.14 : x
  2. Step 2: Convert to fraction form
    105,923.12/158,975.80 = 61,488.14/x
  3. Step 3: Cross multiply
    105,923.12x = 158,975.80 × 61,488.14
  4. Step 4: Simplify right side
    105,923.12x = 9,775,126,247.01
  5. Step 5: Solve for x
    x = 9,775,126,247.01/105,923.12
  6. Step 6: Final answer
    x = 92,285.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.