Home / 62,478.08-86,238.24-43,621.28

Finding the Fourth Proportional to 62,478.08, 86,238.24 and 43,621.28

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Solution

The fourth proportional to 62,478.08, 86,238.24 and 43,621.28 is: 60,210.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.08 : 86,238.24 = 43,621.28 : x
  2. Step 2: Convert to fraction form
    62,478.08/86,238.24 = 43,621.28/x
  3. Step 3: Cross multiply
    62,478.08x = 86,238.24 × 43,621.28
  4. Step 4: Simplify right side
    62,478.08x = 3,761,822,413.75
  5. Step 5: Solve for x
    x = 3,761,822,413.75/62,478.08
  6. Step 6: Final answer
    x = 60,210.28

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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.