Home / 105,044.20-157,434.90-52,468.36

Finding the Fourth Proportional to 105,044.20, 157,434.90 and 52,468.36

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Solution

The fourth proportional to 105,044.20, 157,434.90 and 52,468.36 is: 78,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.20 : 157,434.90 = 52,468.36 : x
  2. Step 2: Convert to fraction form
    105,044.20/157,434.90 = 52,468.36/x
  3. Step 3: Cross multiply
    105,044.20x = 157,434.90 × 52,468.36
  4. Step 4: Simplify right side
    105,044.20x = 8,260,351,009.76
  5. Step 5: Solve for x
    x = 8,260,351,009.76/105,044.20
  6. Step 6: Final answer
    x = 78,636.91

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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.