Home / 82,869.62-114,360.28-45,143.06

Finding the Fourth Proportional to 82,869.62, 114,360.28 and 45,143.06

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Solution

The fourth proportional to 82,869.62, 114,360.28 and 45,143.06 is: 62,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.62 : 114,360.28 = 45,143.06 : x
  2. Step 2: Convert to fraction form
    82,869.62/114,360.28 = 45,143.06/x
  3. Step 3: Cross multiply
    82,869.62x = 114,360.28 × 45,143.06
  4. Step 4: Simplify right side
    82,869.62x = 5,162,572,981.66
  5. Step 5: Solve for x
    x = 5,162,572,981.66/82,869.62
  6. Step 6: Final answer
    x = 62,297.53

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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.