Home / 90,590.88-125,026.94-54,781.14

Finding the Fourth Proportional to 90,590.88, 125,026.94 and 54,781.14

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Solution

The fourth proportional to 90,590.88, 125,026.94 and 54,781.14 is: 75,604.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.88 : 125,026.94 = 54,781.14 : x
  2. Step 2: Convert to fraction form
    90,590.88/125,026.94 = 54,781.14/x
  3. Step 3: Cross multiply
    90,590.88x = 125,026.94 × 54,781.14
  4. Step 4: Simplify right side
    90,590.88x = 6,849,118,303.91
  5. Step 5: Solve for x
    x = 6,849,118,303.91/90,590.88
  6. Step 6: Final answer
    x = 75,604.94

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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.