Home / 112,913.55-169,370.37-28,680.03

Finding the Fourth Proportional to 112,913.55, 169,370.37 and 28,680.03

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Solution

The fourth proportional to 112,913.55, 169,370.37 and 28,680.03 is: 43,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,913.55 : 169,370.37 = 28,680.03 : x
  2. Step 2: Convert to fraction form
    112,913.55/169,370.37 = 28,680.03/x
  3. Step 3: Cross multiply
    112,913.55x = 169,370.37 × 28,680.03
  4. Step 4: Simplify right side
    112,913.55x = 4,857,547,292.71
  5. Step 5: Solve for x
    x = 4,857,547,292.71/112,913.55
  6. Step 6: Final answer
    x = 43,020.06

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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.