Home / 56,856.45-85,471.47-52,746.12

Finding the Fourth Proportional to 56,856.45, 85,471.47 and 52,746.12

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Solution

The fourth proportional to 56,856.45, 85,471.47 and 52,746.12 is: 79,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,856.45 : 85,471.47 = 52,746.12 : x
  2. Step 2: Convert to fraction form
    56,856.45/85,471.47 = 52,746.12/x
  3. Step 3: Cross multiply
    56,856.45x = 85,471.47 × 52,746.12
  4. Step 4: Simplify right side
    56,856.45x = 4,508,288,413.20
  5. Step 5: Solve for x
    x = 4,508,288,413.20/56,856.45
  6. Step 6: Final answer
    x = 79,292.47

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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.