Home / 105,778.37-145,987.08-60,458.27

Finding the Fourth Proportional to 105,778.37, 145,987.08 and 60,458.27

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Solution

The fourth proportional to 105,778.37, 145,987.08 and 60,458.27 is: 83,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.37 : 145,987.08 = 60,458.27 : x
  2. Step 2: Convert to fraction form
    105,778.37/145,987.08 = 60,458.27/x
  3. Step 3: Cross multiply
    105,778.37x = 145,987.08 × 60,458.27
  4. Step 4: Simplify right side
    105,778.37x = 8,826,125,266.92
  5. Step 5: Solve for x
    x = 8,826,125,266.92/105,778.37
  6. Step 6: Final answer
    x = 83,439.79

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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.