Home / 124,134.93-186,089.54-45,231.21

Finding the Fourth Proportional to 124,134.93, 186,089.54 and 45,231.21

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Solution

The fourth proportional to 124,134.93, 186,089.54 and 45,231.21 is: 67,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,134.93 : 186,089.54 = 45,231.21 : x
  2. Step 2: Convert to fraction form
    124,134.93/186,089.54 = 45,231.21/x
  3. Step 3: Cross multiply
    124,134.93x = 186,089.54 × 45,231.21
  4. Step 4: Simplify right side
    124,134.93x = 8,417,054,836.39
  5. Step 5: Solve for x
    x = 8,417,054,836.39/124,134.93
  6. Step 6: Final answer
    x = 67,805.69

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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.