Home / 105,418.04-158,127.12-43,088.48

Finding the Fourth Proportional to 105,418.04, 158,127.12 and 43,088.48

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Solution

The fourth proportional to 105,418.04, 158,127.12 and 43,088.48 is: 64,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,418.04 : 158,127.12 = 43,088.48 : x
  2. Step 2: Convert to fraction form
    105,418.04/158,127.12 = 43,088.48/x
  3. Step 3: Cross multiply
    105,418.04x = 158,127.12 × 43,088.48
  4. Step 4: Simplify right side
    105,418.04x = 6,813,457,247.58
  5. Step 5: Solve for x
    x = 6,813,457,247.58/105,418.04
  6. Step 6: Final answer
    x = 64,632.74

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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.