Home / 95,111.43-142,719.65-53,015.21

Finding the Fourth Proportional to 95,111.43, 142,719.65 and 53,015.21

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Solution

The fourth proportional to 95,111.43, 142,719.65 and 53,015.21 is: 79,552.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,111.43 : 142,719.65 = 53,015.21 : x
  2. Step 2: Convert to fraction form
    95,111.43/142,719.65 = 53,015.21/x
  3. Step 3: Cross multiply
    95,111.43x = 142,719.65 × 53,015.21
  4. Step 4: Simplify right side
    95,111.43x = 7,566,312,215.88
  5. Step 5: Solve for x
    x = 7,566,312,215.88/95,111.43
  6. Step 6: Final answer
    x = 79,552.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.