Home / 104,110.16-143,672.07-56,363.52

Finding the Fourth Proportional to 104,110.16, 143,672.07 and 56,363.52

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Solution

The fourth proportional to 104,110.16, 143,672.07 and 56,363.52 is: 77,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,110.16 : 143,672.07 = 56,363.52 : x
  2. Step 2: Convert to fraction form
    104,110.16/143,672.07 = 56,363.52/x
  3. Step 3: Cross multiply
    104,110.16x = 143,672.07 × 56,363.52
  4. Step 4: Simplify right side
    104,110.16x = 8,097,864,341.02
  5. Step 5: Solve for x
    x = 8,097,864,341.02/104,110.16
  6. Step 6: Final answer
    x = 77,781.70

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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.