Home / 52,666.20-78,845.70-51,130.20

Finding the Fourth Proportional to 52,666.20, 78,845.70 and 51,130.20

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Solution

The fourth proportional to 52,666.20, 78,845.70 and 51,130.20 is: 76,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.20 : 78,845.70 = 51,130.20 : x
  2. Step 2: Convert to fraction form
    52,666.20/78,845.70 = 51,130.20/x
  3. Step 3: Cross multiply
    52,666.20x = 78,845.70 × 51,130.20
  4. Step 4: Simplify right side
    52,666.20x = 4,031,396,410.14
  5. Step 5: Solve for x
    x = 4,031,396,410.14/52,666.20
  6. Step 6: Final answer
    x = 76,546.18

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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.