Home / 105,129.04-157,599.76-38,553.61

Finding the Fourth Proportional to 105,129.04, 157,599.76 and 38,553.61

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Solution

The fourth proportional to 105,129.04, 157,599.76 and 38,553.61 is: 57,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,129.04 : 157,599.76 = 38,553.61 : x
  2. Step 2: Convert to fraction form
    105,129.04/157,599.76 = 38,553.61/x
  3. Step 3: Cross multiply
    105,129.04x = 157,599.76 × 38,553.61
  4. Step 4: Simplify right side
    105,129.04x = 6,076,039,683.13
  5. Step 5: Solve for x
    x = 6,076,039,683.13/105,129.04
  6. Step 6: Final answer
    x = 57,796.02

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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.