Home / 56,866.16-85,308.78-17,413.76

Finding the Fourth Proportional to 56,866.16, 85,308.78 and 17,413.76

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Solution

The fourth proportional to 56,866.16, 85,308.78 and 17,413.76 is: 26,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.16 : 85,308.78 = 17,413.76 : x
  2. Step 2: Convert to fraction form
    56,866.16/85,308.78 = 17,413.76/x
  3. Step 3: Cross multiply
    56,866.16x = 85,308.78 × 17,413.76
  4. Step 4: Simplify right side
    56,866.16x = 1,485,546,620.81
  5. Step 5: Solve for x
    x = 1,485,546,620.81/56,866.16
  6. Step 6: Final answer
    x = 26,123.56

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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.