Home / 105,933.07-158,899.88-25,971.40

Finding the Fourth Proportional to 105,933.07, 158,899.88 and 25,971.40

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Solution

The fourth proportional to 105,933.07, 158,899.88 and 25,971.40 is: 38,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,933.07 : 158,899.88 = 25,971.40 : x
  2. Step 2: Convert to fraction form
    105,933.07/158,899.88 = 25,971.40/x
  3. Step 3: Cross multiply
    105,933.07x = 158,899.88 × 25,971.40
  4. Step 4: Simplify right side
    105,933.07x = 4,126,852,011.11
  5. Step 5: Solve for x
    x = 4,126,852,011.11/105,933.07
  6. Step 6: Final answer
    x = 38,957.17

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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.