Home / 85,297.24-127,774.50-42,473.62

Finding the Fourth Proportional to 85,297.24, 127,774.50 and 42,473.62

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Solution

The fourth proportional to 85,297.24, 127,774.50 and 42,473.62 is: 63,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.24 : 127,774.50 = 42,473.62 : x
  2. Step 2: Convert to fraction form
    85,297.24/127,774.50 = 42,473.62/x
  3. Step 3: Cross multiply
    85,297.24x = 127,774.50 × 42,473.62
  4. Step 4: Simplify right side
    85,297.24x = 5,427,045,558.69
  5. Step 5: Solve for x
    x = 5,427,045,558.69/85,297.24
  6. Step 6: Final answer
    x = 63,625.10

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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.