Home / 104,044.12-143,579.86-56,296.42

Finding the Fourth Proportional to 104,044.12, 143,579.86 and 56,296.42

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Solution

The fourth proportional to 104,044.12, 143,579.86 and 56,296.42 is: 77,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,044.12 : 143,579.86 = 56,296.42 : x
  2. Step 2: Convert to fraction form
    104,044.12/143,579.86 = 56,296.42/x
  3. Step 3: Cross multiply
    104,044.12x = 143,579.86 × 56,296.42
  4. Step 4: Simplify right side
    104,044.12x = 8,083,032,102.10
  5. Step 5: Solve for x
    x = 8,083,032,102.10/104,044.12
  6. Step 6: Final answer
    x = 77,688.50

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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.