Home / 112,664.24-168,991.95-28,423.36

Finding the Fourth Proportional to 112,664.24, 168,991.95 and 28,423.36

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Solution

The fourth proportional to 112,664.24, 168,991.95 and 28,423.36 is: 42,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,664.24 : 168,991.95 = 28,423.36 : x
  2. Step 2: Convert to fraction form
    112,664.24/168,991.95 = 28,423.36/x
  3. Step 3: Cross multiply
    112,664.24x = 168,991.95 × 28,423.36
  4. Step 4: Simplify right side
    112,664.24x = 4,803,318,159.38
  5. Step 5: Solve for x
    x = 4,803,318,159.38/112,664.24
  6. Step 6: Final answer
    x = 42,633.92

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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.