Home / 90,598.76-125,006.16-54,788.02

Finding the Fourth Proportional to 90,598.76, 125,006.16 and 54,788.02

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Solution

The fourth proportional to 90,598.76, 125,006.16 and 54,788.02 is: 75,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,598.76 : 125,006.16 = 54,788.02 : x
  2. Step 2: Convert to fraction form
    90,598.76/125,006.16 = 54,788.02/x
  3. Step 3: Cross multiply
    90,598.76x = 125,006.16 × 54,788.02
  4. Step 4: Simplify right side
    90,598.76x = 6,848,839,994.20
  5. Step 5: Solve for x
    x = 6,848,839,994.20/90,598.76
  6. Step 6: Final answer
    x = 75,595.30

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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.