Home / 56,111.64-84,145.58-21,032.16

Finding the Fourth Proportional to 56,111.64, 84,145.58 and 21,032.16

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Solution

The fourth proportional to 56,111.64, 84,145.58 and 21,032.16 is: 31,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,111.64 : 84,145.58 = 21,032.16 : x
  2. Step 2: Convert to fraction form
    56,111.64/84,145.58 = 21,032.16/x
  3. Step 3: Cross multiply
    56,111.64x = 84,145.58 × 21,032.16
  4. Step 4: Simplify right side
    56,111.64x = 1,769,763,301.85
  5. Step 5: Solve for x
    x = 1,769,763,301.85/56,111.64
  6. Step 6: Final answer
    x = 31,540.04

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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.