Home / 112,778.36-155,621.58-62,464.76

Finding the Fourth Proportional to 112,778.36, 155,621.58 and 62,464.76

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Solution

The fourth proportional to 112,778.36, 155,621.58 and 62,464.76 is: 86,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.36 : 155,621.58 = 62,464.76 : x
  2. Step 2: Convert to fraction form
    112,778.36/155,621.58 = 62,464.76/x
  3. Step 3: Cross multiply
    112,778.36x = 155,621.58 × 62,464.76
  4. Step 4: Simplify right side
    112,778.36x = 9,720,864,645.52
  5. Step 5: Solve for x
    x = 9,720,864,645.52/112,778.36
  6. Step 6: Final answer
    x = 86,194.41

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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.