Home / 57,711.02-79,627.46-39,800.30

Finding the Fourth Proportional to 57,711.02, 79,627.46 and 39,800.30

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Solution

The fourth proportional to 57,711.02, 79,627.46 and 39,800.30 is: 54,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,711.02 : 79,627.46 = 39,800.30 : x
  2. Step 2: Convert to fraction form
    57,711.02/79,627.46 = 39,800.30/x
  3. Step 3: Cross multiply
    57,711.02x = 79,627.46 × 39,800.30
  4. Step 4: Simplify right side
    57,711.02x = 3,169,196,796.24
  5. Step 5: Solve for x
    x = 3,169,196,796.24/57,711.02
  6. Step 6: Final answer
    x = 54,914.93

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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.