Home / 47,816.12-65,946.98-42,442.49

Finding the Fourth Proportional to 47,816.12, 65,946.98 and 42,442.49

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Solution

The fourth proportional to 47,816.12, 65,946.98 and 42,442.49 is: 58,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,816.12 : 65,946.98 = 42,442.49 : x
  2. Step 2: Convert to fraction form
    47,816.12/65,946.98 = 42,442.49/x
  3. Step 3: Cross multiply
    47,816.12x = 65,946.98 × 42,442.49
  4. Step 4: Simplify right side
    47,816.12x = 2,798,954,310.15
  5. Step 5: Solve for x
    x = 2,798,954,310.15/47,816.12
  6. Step 6: Final answer
    x = 58,535.79

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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.