Home / 112,926.65-169,389.15-28,687.05

Finding the Fourth Proportional to 112,926.65, 169,389.15 and 28,687.05

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Solution

The fourth proportional to 112,926.65, 169,389.15 and 28,687.05 is: 43,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.65 : 169,389.15 = 28,687.05 : x
  2. Step 2: Convert to fraction form
    112,926.65/169,389.15 = 28,687.05/x
  3. Step 3: Cross multiply
    112,926.65x = 169,389.15 × 28,687.05
  4. Step 4: Simplify right side
    112,926.65x = 4,859,275,015.51
  5. Step 5: Solve for x
    x = 4,859,275,015.51/112,926.65
  6. Step 6: Final answer
    x = 43,030.37

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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.