Home / 102,867.48-154,359.48-40,581.72

Finding the Fourth Proportional to 102,867.48, 154,359.48 and 40,581.72

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Solution

The fourth proportional to 102,867.48, 154,359.48 and 40,581.72 is: 60,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,867.48 : 154,359.48 = 40,581.72 : x
  2. Step 2: Convert to fraction form
    102,867.48/154,359.48 = 40,581.72/x
  3. Step 3: Cross multiply
    102,867.48x = 154,359.48 × 40,581.72
  4. Step 4: Simplify right side
    102,867.48x = 6,264,173,196.71
  5. Step 5: Solve for x
    x = 6,264,173,196.71/102,867.48
  6. Step 6: Final answer
    x = 60,895.56

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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.