Home / 104,756.34-157,135.29-29,876.40

Finding the Fourth Proportional to 104,756.34, 157,135.29 and 29,876.40

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Solution

The fourth proportional to 104,756.34, 157,135.29 and 29,876.40 is: 44,814.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,756.34 : 157,135.29 = 29,876.40 : x
  2. Step 2: Convert to fraction form
    104,756.34/157,135.29 = 29,876.40/x
  3. Step 3: Cross multiply
    104,756.34x = 157,135.29 × 29,876.40
  4. Step 4: Simplify right side
    104,756.34x = 4,694,636,778.16
  5. Step 5: Solve for x
    x = 4,694,636,778.16/104,756.34
  6. Step 6: Final answer
    x = 44,814.82

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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.