Home / 47,927.46-72,150-43,105.14

Finding the Fourth Proportional to 47,927.46, 72,150 and 43,105.14

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Solution

The fourth proportional to 47,927.46, 72,150 and 43,105.14 is: 64,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.46 : 72,150 = 43,105.14 : x
  2. Step 2: Convert to fraction form
    47,927.46/72,150 = 43,105.14/x
  3. Step 3: Cross multiply
    47,927.46x = 72,150 × 43,105.14
  4. Step 4: Simplify right side
    47,927.46x = 3,110,035,851
  5. Step 5: Solve for x
    x = 3,110,035,851/47,927.46
  6. Step 6: Final answer
    x = 64,890.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.