Home / 59,231.79-81,686.93-49,144.25

Finding the Fourth Proportional to 59,231.79, 81,686.93 and 49,144.25

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Solution

The fourth proportional to 59,231.79, 81,686.93 and 49,144.25 is: 67,775.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,231.79 : 81,686.93 = 49,144.25 : x
  2. Step 2: Convert to fraction form
    59,231.79/81,686.93 = 49,144.25/x
  3. Step 3: Cross multiply
    59,231.79x = 81,686.93 × 49,144.25
  4. Step 4: Simplify right side
    59,231.79x = 4,014,442,909.65
  5. Step 5: Solve for x
    x = 4,014,442,909.65/59,231.79
  6. Step 6: Final answer
    x = 67,775.14

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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.