Home / 85,007.94-127,512.14-40,624.61

Finding the Fourth Proportional to 85,007.94, 127,512.14 and 40,624.61

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Solution

The fourth proportional to 85,007.94, 127,512.14 and 40,624.61 is: 60,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,007.94 : 127,512.14 = 40,624.61 : x
  2. Step 2: Convert to fraction form
    85,007.94/127,512.14 = 40,624.61/x
  3. Step 3: Cross multiply
    85,007.94x = 127,512.14 × 40,624.61
  4. Step 4: Simplify right side
    85,007.94x = 5,180,130,117.08
  5. Step 5: Solve for x
    x = 5,180,130,117.08/85,007.94
  6. Step 6: Final answer
    x = 60,937.02

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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.