Home / 90,029.44-124,210.32-58,238.56

Finding the Fourth Proportional to 90,029.44, 124,210.32 and 58,238.56

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Solution

The fourth proportional to 90,029.44, 124,210.32 and 58,238.56 is: 80,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,029.44 : 124,210.32 = 58,238.56 : x
  2. Step 2: Convert to fraction form
    90,029.44/124,210.32 = 58,238.56/x
  3. Step 3: Cross multiply
    90,029.44x = 124,210.32 × 58,238.56
  4. Step 4: Simplify right side
    90,029.44x = 7,233,830,173.94
  5. Step 5: Solve for x
    x = 7,233,830,173.94/90,029.44
  6. Step 6: Final answer
    x = 80,349.61

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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.