Home / 51,496.20-77,111.10-43,156.20

Finding the Fourth Proportional to 51,496.20, 77,111.10 and 43,156.20

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Solution

The fourth proportional to 51,496.20, 77,111.10 and 43,156.20 is: 64,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,496.20 : 77,111.10 = 43,156.20 : x
  2. Step 2: Convert to fraction form
    51,496.20/77,111.10 = 43,156.20/x
  3. Step 3: Cross multiply
    51,496.20x = 77,111.10 × 43,156.20
  4. Step 4: Simplify right side
    51,496.20x = 3,327,822,053.82
  5. Step 5: Solve for x
    x = 3,327,822,053.82/51,496.20
  6. Step 6: Final answer
    x = 64,622.67

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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.