Home / 104,057.72-143,598.48-56,310.20

Finding the Fourth Proportional to 104,057.72, 143,598.48 and 56,310.20

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Solution

The fourth proportional to 104,057.72, 143,598.48 and 56,310.20 is: 77,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.72 : 143,598.48 = 56,310.20 : x
  2. Step 2: Convert to fraction form
    104,057.72/143,598.48 = 56,310.20/x
  3. Step 3: Cross multiply
    104,057.72x = 143,598.48 × 56,310.20
  4. Step 4: Simplify right side
    104,057.72x = 8,086,059,128.50
  5. Step 5: Solve for x
    x = 8,086,059,128.50/104,057.72
  6. Step 6: Final answer
    x = 77,707.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.