Home / 107,739.76-161,555.56-62,775.65

Finding the Fourth Proportional to 107,739.76, 161,555.56 and 62,775.65

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Solution

The fourth proportional to 107,739.76, 161,555.56 and 62,775.65 is: 94,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.76 : 161,555.56 = 62,775.65 : x
  2. Step 2: Convert to fraction form
    107,739.76/161,555.56 = 62,775.65/x
  3. Step 3: Cross multiply
    107,739.76x = 161,555.56 × 62,775.65
  4. Step 4: Simplify right side
    107,739.76x = 10,141,754,482.34
  5. Step 5: Solve for x
    x = 10,141,754,482.34/107,739.76
  6. Step 6: Final answer
    x = 94,131.96

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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.