Home / 66,359.74-99,556.48-19,612.62

Finding the Fourth Proportional to 66,359.74, 99,556.48 and 19,612.62

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Solution

The fourth proportional to 66,359.74, 99,556.48 and 19,612.62 is: 29,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.74 : 99,556.48 = 19,612.62 : x
  2. Step 2: Convert to fraction form
    66,359.74/99,556.48 = 19,612.62/x
  3. Step 3: Cross multiply
    66,359.74x = 99,556.48 × 19,612.62
  4. Step 4: Simplify right side
    66,359.74x = 1,952,563,410.78
  5. Step 5: Solve for x
    x = 1,952,563,410.78/66,359.74
  6. Step 6: Final answer
    x = 29,423.92

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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.