Home / 105,004.96-157,332.10-73,784.32

Finding the Fourth Proportional to 105,004.96, 157,332.10 and 73,784.32

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Solution

The fourth proportional to 105,004.96, 157,332.10 and 73,784.32 is: 110,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,004.96 : 157,332.10 = 73,784.32 : x
  2. Step 2: Convert to fraction form
    105,004.96/157,332.10 = 73,784.32/x
  3. Step 3: Cross multiply
    105,004.96x = 157,332.10 × 73,784.32
  4. Step 4: Simplify right side
    105,004.96x = 11,608,642,012.67
  5. Step 5: Solve for x
    x = 11,608,642,012.67/105,004.96
  6. Step 6: Final answer
    x = 110,553.27

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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.