Home / 104,057.03-143,599.08-56,310.38

Finding the Fourth Proportional to 104,057.03, 143,599.08 and 56,310.38

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Solution

The fourth proportional to 104,057.03, 143,599.08 and 56,310.38 is: 77,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057.03 : 143,599.08 = 56,310.38 : x
  2. Step 2: Convert to fraction form
    104,057.03/143,599.08 = 56,310.38/x
  3. Step 3: Cross multiply
    104,057.03x = 143,599.08 × 56,310.38
  4. Step 4: Simplify right side
    104,057.03x = 8,086,118,044.46
  5. Step 5: Solve for x
    x = 8,086,118,044.46/104,057.03
  6. Step 6: Final answer
    x = 77,708.53

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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.