Home / 55,452.16-76,531.20-31,574.08

Finding the Fourth Proportional to 55,452.16, 76,531.20 and 31,574.08

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Solution

The fourth proportional to 55,452.16, 76,531.20 and 31,574.08 is: 43,576.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.16 : 76,531.20 = 31,574.08 : x
  2. Step 2: Convert to fraction form
    55,452.16/76,531.20 = 31,574.08/x
  3. Step 3: Cross multiply
    55,452.16x = 76,531.20 × 31,574.08
  4. Step 4: Simplify right side
    55,452.16x = 2,416,402,231.30
  5. Step 5: Solve for x
    x = 2,416,402,231.30/55,452.16
  6. Step 6: Final answer
    x = 43,576.34

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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.