Home / 58,029.87-80,105.72-39,192.51

Finding the Fourth Proportional to 58,029.87, 80,105.72 and 39,192.51

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Solution

The fourth proportional to 58,029.87, 80,105.72 and 39,192.51 is: 54,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,029.87 : 80,105.72 = 39,192.51 : x
  2. Step 2: Convert to fraction form
    58,029.87/80,105.72 = 39,192.51/x
  3. Step 3: Cross multiply
    58,029.87x = 80,105.72 × 39,192.51
  4. Step 4: Simplify right side
    58,029.87x = 3,139,544,036.19
  5. Step 5: Solve for x
    x = 3,139,544,036.19/58,029.87
  6. Step 6: Final answer
    x = 54,102.21

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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.