Home / 104,430.24-156,699.36-51,838.56

Finding the Fourth Proportional to 104,430.24, 156,699.36 and 51,838.56

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Solution

The fourth proportional to 104,430.24, 156,699.36 and 51,838.56 is: 77,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430.24 : 156,699.36 = 51,838.56 : x
  2. Step 2: Convert to fraction form
    104,430.24/156,699.36 = 51,838.56/x
  3. Step 3: Cross multiply
    104,430.24x = 156,699.36 × 51,838.56
  4. Step 4: Simplify right side
    104,430.24x = 8,123,069,175.32
  5. Step 5: Solve for x
    x = 8,123,069,175.32/104,430.24
  6. Step 6: Final answer
    x = 77,784.65

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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.