Home / 90,913.12-125,494.32-53,199.52

Finding the Fourth Proportional to 90,913.12, 125,494.32 and 53,199.52

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Solution

The fourth proportional to 90,913.12, 125,494.32 and 53,199.52 is: 73,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,913.12 : 125,494.32 = 53,199.52 : x
  2. Step 2: Convert to fraction form
    90,913.12/125,494.32 = 53,199.52/x
  3. Step 3: Cross multiply
    90,913.12x = 125,494.32 × 53,199.52
  4. Step 4: Simplify right side
    90,913.12x = 6,676,237,586.73
  5. Step 5: Solve for x
    x = 6,676,237,586.73/90,913.12
  6. Step 6: Final answer
    x = 73,435.36

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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.