Home / 55,452.66-76,528.30-31,259.58

Finding the Fourth Proportional to 55,452.66, 76,528.30 and 31,259.58

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Solution

The fourth proportional to 55,452.66, 76,528.30 and 31,259.58 is: 43,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.66 : 76,528.30 = 31,259.58 : x
  2. Step 2: Convert to fraction form
    55,452.66/76,528.30 = 31,259.58/x
  3. Step 3: Cross multiply
    55,452.66x = 76,528.30 × 31,259.58
  4. Step 4: Simplify right side
    55,452.66x = 2,392,242,516.11
  5. Step 5: Solve for x
    x = 2,392,242,516.11/55,452.66
  6. Step 6: Final answer
    x = 43,140.27

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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.