Home / 124,579.76-186,899.40-40,340.01

Finding the Fourth Proportional to 124,579.76, 186,899.40 and 40,340.01

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Solution

The fourth proportional to 124,579.76, 186,899.40 and 40,340.01 is: 60,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579.76 : 186,899.40 = 40,340.01 : x
  2. Step 2: Convert to fraction form
    124,579.76/186,899.40 = 40,340.01/x
  3. Step 3: Cross multiply
    124,579.76x = 186,899.40 × 40,340.01
  4. Step 4: Simplify right side
    124,579.76x = 7,539,523,664.99
  5. Step 5: Solve for x
    x = 7,539,523,664.99/124,579.76
  6. Step 6: Final answer
    x = 60,519.65

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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.