Home / 85,590.24-128,394.96-23,261.28

Finding the Fourth Proportional to 85,590.24, 128,394.96 and 23,261.28

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Solution

The fourth proportional to 85,590.24, 128,394.96 and 23,261.28 is: 34,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590.24 : 128,394.96 = 23,261.28 : x
  2. Step 2: Convert to fraction form
    85,590.24/128,394.96 = 23,261.28/x
  3. Step 3: Cross multiply
    85,590.24x = 128,394.96 × 23,261.28
  4. Step 4: Simplify right side
    85,590.24x = 2,986,631,115.15
  5. Step 5: Solve for x
    x = 2,986,631,115.15/85,590.24
  6. Step 6: Final answer
    x = 34,894.53

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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.