Home / 104,044.79-143,581.78-56,298.13

Finding the Fourth Proportional to 104,044.79, 143,581.78 and 56,298.13

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Solution

The fourth proportional to 104,044.79, 143,581.78 and 56,298.13 is: 77,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,044.79 : 143,581.78 = 56,298.13 : x
  2. Step 2: Convert to fraction form
    104,044.79/143,581.78 = 56,298.13/x
  3. Step 3: Cross multiply
    104,044.79x = 143,581.78 × 56,298.13
  4. Step 4: Simplify right side
    104,044.79x = 8,083,385,716.07
  5. Step 5: Solve for x
    x = 8,083,385,716.07/104,044.79
  6. Step 6: Final answer
    x = 77,691.40

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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.