Home / 90,732.04-136,090.62-57,354.76

Finding the Fourth Proportional to 90,732.04, 136,090.62 and 57,354.76

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Solution

The fourth proportional to 90,732.04, 136,090.62 and 57,354.76 is: 86,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.04 : 136,090.62 = 57,354.76 : x
  2. Step 2: Convert to fraction form
    90,732.04/136,090.62 = 57,354.76/x
  3. Step 3: Cross multiply
    90,732.04x = 136,090.62 × 57,354.76
  4. Step 4: Simplify right side
    90,732.04x = 7,805,444,848.35
  5. Step 5: Solve for x
    x = 7,805,444,848.35/90,732.04
  6. Step 6: Final answer
    x = 86,027.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.