Home / 90,498.86-124,906.60-52,264.64

Finding the Fourth Proportional to 90,498.86, 124,906.60 and 52,264.64

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Solution

The fourth proportional to 90,498.86, 124,906.60 and 52,264.64 is: 72,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498.86 : 124,906.60 = 52,264.64 : x
  2. Step 2: Convert to fraction form
    90,498.86/124,906.60 = 52,264.64/x
  3. Step 3: Cross multiply
    90,498.86x = 124,906.60 × 52,264.64
  4. Step 4: Simplify right side
    90,498.86x = 6,528,197,923.42
  5. Step 5: Solve for x
    x = 6,528,197,923.42/90,498.86
  6. Step 6: Final answer
    x = 72,135.69

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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.