Home / 105,370.61-158,056.04-43,041.11

Finding the Fourth Proportional to 105,370.61, 158,056.04 and 43,041.11

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Solution

The fourth proportional to 105,370.61, 158,056.04 and 43,041.11 is: 64,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,370.61 : 158,056.04 = 43,041.11 : x
  2. Step 2: Convert to fraction form
    105,370.61/158,056.04 = 43,041.11/x
  3. Step 3: Cross multiply
    105,370.61x = 158,056.04 × 43,041.11
  4. Step 4: Simplify right side
    105,370.61x = 6,802,906,721.13
  5. Step 5: Solve for x
    x = 6,802,906,721.13/105,370.61
  6. Step 6: Final answer
    x = 64,561.71

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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.