Home / 124,559.89-186,869.48-40,320.07

Finding the Fourth Proportional to 124,559.89, 186,869.48 and 40,320.07

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Solution

The fourth proportional to 124,559.89, 186,869.48 and 40,320.07 is: 60,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559.89 : 186,869.48 = 40,320.07 : x
  2. Step 2: Convert to fraction form
    124,559.89/186,869.48 = 40,320.07/x
  3. Step 3: Cross multiply
    124,559.89x = 186,869.48 × 40,320.07
  4. Step 4: Simplify right side
    124,559.89x = 7,534,589,845.69
  5. Step 5: Solve for x
    x = 7,534,589,845.69/124,559.89
  6. Step 6: Final answer
    x = 60,489.70

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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.