Home / 47,079.81-65,012.31-35,122.38

Finding the Fourth Proportional to 47,079.81, 65,012.31 and 35,122.38

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Solution

The fourth proportional to 47,079.81, 65,012.31 and 35,122.38 is: 48,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.81 : 65,012.31 = 35,122.38 : x
  2. Step 2: Convert to fraction form
    47,079.81/65,012.31 = 35,122.38/x
  3. Step 3: Cross multiply
    47,079.81x = 65,012.31 × 35,122.38
  4. Step 4: Simplify right side
    47,079.81x = 2,283,387,056.50
  5. Step 5: Solve for x
    x = 2,283,387,056.50/47,079.81
  6. Step 6: Final answer
    x = 48,500.35

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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.