Home / 55,814.40-83,608.20-34,689.60

Finding the Fourth Proportional to 55,814.40, 83,608.20 and 34,689.60

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Solution

The fourth proportional to 55,814.40, 83,608.20 and 34,689.60 is: 51,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,814.40 : 83,608.20 = 34,689.60 : x
  2. Step 2: Convert to fraction form
    55,814.40/83,608.20 = 34,689.60/x
  3. Step 3: Cross multiply
    55,814.40x = 83,608.20 × 34,689.60
  4. Step 4: Simplify right side
    55,814.40x = 2,900,335,014.72
  5. Step 5: Solve for x
    x = 2,900,335,014.72/55,814.40
  6. Step 6: Final answer
    x = 51,963.92

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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.