Home / 55,235.16-76,225.41-31,362.48

Finding the Fourth Proportional to 55,235.16, 76,225.41 and 31,362.48

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Solution

The fourth proportional to 55,235.16, 76,225.41 and 31,362.48 is: 43,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.16 : 76,225.41 = 31,362.48 : x
  2. Step 2: Convert to fraction form
    55,235.16/76,225.41 = 31,362.48/x
  3. Step 3: Cross multiply
    55,235.16x = 76,225.41 × 31,362.48
  4. Step 4: Simplify right side
    55,235.16x = 2,390,617,896.62
  5. Step 5: Solve for x
    x = 2,390,617,896.62/55,235.16
  6. Step 6: Final answer
    x = 43,280.73

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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.