Home / 105,276.36-157,914.54-52,632.84

Finding the Fourth Proportional to 105,276.36, 157,914.54 and 52,632.84

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Solution

The fourth proportional to 105,276.36, 157,914.54 and 52,632.84 is: 78,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276.36 : 157,914.54 = 52,632.84 : x
  2. Step 2: Convert to fraction form
    105,276.36/157,914.54 = 52,632.84/x
  3. Step 3: Cross multiply
    105,276.36x = 157,914.54 × 52,632.84
  4. Step 4: Simplify right side
    105,276.36x = 8,311,490,717.49
  5. Step 5: Solve for x
    x = 8,311,490,717.49/105,276.36
  6. Step 6: Final answer
    x = 78,949.26

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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.