Home / 103,832.46-143,288.75-56,085.80

Finding the Fourth Proportional to 103,832.46, 143,288.75 and 56,085.80

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Solution

The fourth proportional to 103,832.46, 143,288.75 and 56,085.80 is: 77,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.46 : 143,288.75 = 56,085.80 : x
  2. Step 2: Convert to fraction form
    103,832.46/143,288.75 = 56,085.80/x
  3. Step 3: Cross multiply
    103,832.46x = 143,288.75 × 56,085.80
  4. Step 4: Simplify right side
    103,832.46x = 8,036,463,177.88
  5. Step 5: Solve for x
    x = 8,036,463,177.88/103,832.46
  6. Step 6: Final answer
    x = 77,398.37

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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.