Home / 57,511.76-86,234.36-26,330.32

Finding the Fourth Proportional to 57,511.76, 86,234.36 and 26,330.32

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Solution

The fourth proportional to 57,511.76, 86,234.36 and 26,330.32 is: 39,480.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,511.76 : 86,234.36 = 26,330.32 : x
  2. Step 2: Convert to fraction form
    57,511.76/86,234.36 = 26,330.32/x
  3. Step 3: Cross multiply
    57,511.76x = 86,234.36 × 26,330.32
  4. Step 4: Simplify right side
    57,511.76x = 2,270,578,293.80
  5. Step 5: Solve for x
    x = 2,270,578,293.80/57,511.76
  6. Step 6: Final answer
    x = 39,480.24

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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.