Home / 95,145.32-142,490.61-52,920.51

Finding the Fourth Proportional to 95,145.32, 142,490.61 and 52,920.51

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Solution

The fourth proportional to 95,145.32, 142,490.61 and 52,920.51 is: 79,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,145.32 : 142,490.61 = 52,920.51 : x
  2. Step 2: Convert to fraction form
    95,145.32/142,490.61 = 52,920.51/x
  3. Step 3: Cross multiply
    95,145.32x = 142,490.61 × 52,920.51
  4. Step 4: Simplify right side
    95,145.32x = 7,540,675,751.41
  5. Step 5: Solve for x
    x = 7,540,675,751.41/95,145.32
  6. Step 6: Final answer
    x = 79,254.30

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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.