Home / 112,904.50-169,356.83-28,670.98

Finding the Fourth Proportional to 112,904.50, 169,356.83 and 28,670.98

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Solution

The fourth proportional to 112,904.50, 169,356.83 and 28,670.98 is: 43,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.50 : 169,356.83 = 28,670.98 : x
  2. Step 2: Convert to fraction form
    112,904.50/169,356.83 = 28,670.98/x
  3. Step 3: Cross multiply
    112,904.50x = 169,356.83 × 28,670.98
  4. Step 4: Simplify right side
    112,904.50x = 4,855,626,285.79
  5. Step 5: Solve for x
    x = 4,855,626,285.79/112,904.50
  6. Step 6: Final answer
    x = 43,006.49

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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.