Home / 84,818.15-127,033.46-40,476.05

Finding the Fourth Proportional to 84,818.15, 127,033.46 and 40,476.05

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Solution

The fourth proportional to 84,818.15, 127,033.46 and 40,476.05 is: 60,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818.15 : 127,033.46 = 40,476.05 : x
  2. Step 2: Convert to fraction form
    84,818.15/127,033.46 = 40,476.05/x
  3. Step 3: Cross multiply
    84,818.15x = 127,033.46 × 40,476.05
  4. Step 4: Simplify right side
    84,818.15x = 5,141,812,476.25
  5. Step 5: Solve for x
    x = 5,141,812,476.25/84,818.15
  6. Step 6: Final answer
    x = 60,621.61

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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.