Home / 104,255.37-143,870.85-58,931.75

Finding the Fourth Proportional to 104,255.37, 143,870.85 and 58,931.75

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Solution

The fourth proportional to 104,255.37, 143,870.85 and 58,931.75 is: 81,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,255.37 : 143,870.85 = 58,931.75 : x
  2. Step 2: Convert to fraction form
    104,255.37/143,870.85 = 58,931.75/x
  3. Step 3: Cross multiply
    104,255.37x = 143,870.85 × 58,931.75
  4. Step 4: Simplify right side
    104,255.37x = 8,478,560,669.83
  5. Step 5: Solve for x
    x = 8,478,560,669.83/104,255.37
  6. Step 6: Final answer
    x = 81,324.93

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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.