Home / 66,219.99-99,204.81-51,252.72

Finding the Fourth Proportional to 66,219.99, 99,204.81 and 51,252.72

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Solution

The fourth proportional to 66,219.99, 99,204.81 and 51,252.72 is: 76,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.99 : 99,204.81 = 51,252.72 : x
  2. Step 2: Convert to fraction form
    66,219.99/99,204.81 = 51,252.72/x
  3. Step 3: Cross multiply
    66,219.99x = 99,204.81 × 51,252.72
  4. Step 4: Simplify right side
    66,219.99x = 5,084,516,349.58
  5. Step 5: Solve for x
    x = 5,084,516,349.58/66,219.99
  6. Step 6: Final answer
    x = 76,782.20

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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.