Home / 66,856.47-92,203.04-41,358.78

Finding the Fourth Proportional to 66,856.47, 92,203.04 and 41,358.78

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Solution

The fourth proportional to 66,856.47, 92,203.04 and 41,358.78 is: 57,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856.47 : 92,203.04 = 41,358.78 : x
  2. Step 2: Convert to fraction form
    66,856.47/92,203.04 = 41,358.78/x
  3. Step 3: Cross multiply
    66,856.47x = 92,203.04 × 41,358.78
  4. Step 4: Simplify right side
    66,856.47x = 3,813,405,039.90
  5. Step 5: Solve for x
    x = 3,813,405,039.90/66,856.47
  6. Step 6: Final answer
    x = 57,038.69

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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.