Home / 105,265.91-157,961.41-38,752.76

Finding the Fourth Proportional to 105,265.91, 157,961.41 and 38,752.76

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Solution

The fourth proportional to 105,265.91, 157,961.41 and 38,752.76 is: 58,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,265.91 : 157,961.41 = 38,752.76 : x
  2. Step 2: Convert to fraction form
    105,265.91/157,961.41 = 38,752.76/x
  3. Step 3: Cross multiply
    105,265.91x = 157,961.41 × 38,752.76
  4. Step 4: Simplify right side
    105,265.91x = 6,121,440,909.01
  5. Step 5: Solve for x
    x = 6,121,440,909.01/105,265.91
  6. Step 6: Final answer
    x = 58,152.17

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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.