Home / 54,831.10-82,246.65-54,312.70

Finding the Fourth Proportional to 54,831.10, 82,246.65 and 54,312.70

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Solution

The fourth proportional to 54,831.10, 82,246.65 and 54,312.70 is: 81,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.10 : 82,246.65 = 54,312.70 : x
  2. Step 2: Convert to fraction form
    54,831.10/82,246.65 = 54,312.70/x
  3. Step 3: Cross multiply
    54,831.10x = 82,246.65 × 54,312.70
  4. Step 4: Simplify right side
    54,831.10x = 4,467,037,627.46
  5. Step 5: Solve for x
    x = 4,467,037,627.46/54,831.10
  6. Step 6: Final answer
    x = 81,469.05

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1.5x scale

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.