Home / 105,350.60-157,952.07-38,782.06

Finding the Fourth Proportional to 105,350.60, 157,952.07 and 38,782.06

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Solution

The fourth proportional to 105,350.60, 157,952.07 and 38,782.06 is: 58,145.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,350.60 : 157,952.07 = 38,782.06 : x
  2. Step 2: Convert to fraction form
    105,350.60/157,952.07 = 38,782.06/x
  3. Step 3: Cross multiply
    105,350.60x = 157,952.07 × 38,782.06
  4. Step 4: Simplify right side
    105,350.60x = 6,125,706,260.98
  5. Step 5: Solve for x
    x = 6,125,706,260.98/105,350.60
  6. Step 6: Final answer
    x = 58,145.91

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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.