Home / 82,719.45-114,162.99-48,726.18

Finding the Fourth Proportional to 82,719.45, 114,162.99 and 48,726.18

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Solution

The fourth proportional to 82,719.45, 114,162.99 and 48,726.18 is: 67,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,719.45 : 114,162.99 = 48,726.18 : x
  2. Step 2: Convert to fraction form
    82,719.45/114,162.99 = 48,726.18/x
  3. Step 3: Cross multiply
    82,719.45x = 114,162.99 × 48,726.18
  4. Step 4: Simplify right side
    82,719.45x = 5,562,726,156.45
  5. Step 5: Solve for x
    x = 5,562,726,156.45/82,719.45
  6. Step 6: Final answer
    x = 67,248.10

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1.5x scale

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.