Home / 55,145.19-76,079.75-32,470.32

Finding the Fourth Proportional to 55,145.19, 76,079.75 and 32,470.32

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Solution

The fourth proportional to 55,145.19, 76,079.75 and 32,470.32 is: 44,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145.19 : 76,079.75 = 32,470.32 : x
  2. Step 2: Convert to fraction form
    55,145.19/76,079.75 = 32,470.32/x
  3. Step 3: Cross multiply
    55,145.19x = 76,079.75 × 32,470.32
  4. Step 4: Simplify right side
    55,145.19x = 2,470,333,665.67
  5. Step 5: Solve for x
    x = 2,470,333,665.67/55,145.19
  6. Step 6: Final answer
    x = 44,796.90

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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.