Home / 97,005.20-133,825.82-55,590.26

Finding the Fourth Proportional to 97,005.20, 133,825.82 and 55,590.26

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Solution

The fourth proportional to 97,005.20, 133,825.82 and 55,590.26 is: 76,690.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,005.20 : 133,825.82 = 55,590.26 : x
  2. Step 2: Convert to fraction form
    97,005.20/133,825.82 = 55,590.26/x
  3. Step 3: Cross multiply
    97,005.20x = 133,825.82 × 55,590.26
  4. Step 4: Simplify right side
    97,005.20x = 7,439,411,181.43
  5. Step 5: Solve for x
    x = 7,439,411,181.43/97,005.20
  6. Step 6: Final answer
    x = 76,690.85

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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.