Home / 85,875.92-118,498.91-49,577.22

Finding the Fourth Proportional to 85,875.92, 118,498.91 and 49,577.22

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Solution

The fourth proportional to 85,875.92, 118,498.91 and 49,577.22 is: 68,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,875.92 : 118,498.91 = 49,577.22 : x
  2. Step 2: Convert to fraction form
    85,875.92/118,498.91 = 49,577.22/x
  3. Step 3: Cross multiply
    85,875.92x = 118,498.91 × 49,577.22
  4. Step 4: Simplify right side
    85,875.92x = 5,874,846,282.94
  5. Step 5: Solve for x
    x = 5,874,846,282.94/85,875.92
  6. Step 6: Final answer
    x = 68,410.87

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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.