Home / 112,335.59-168,456.53-45,730.51

Finding the Fourth Proportional to 112,335.59, 168,456.53 and 45,730.51

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Solution

The fourth proportional to 112,335.59, 168,456.53 and 45,730.51 is: 68,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,335.59 : 168,456.53 = 45,730.51 : x
  2. Step 2: Convert to fraction form
    112,335.59/168,456.53 = 45,730.51/x
  3. Step 3: Cross multiply
    112,335.59x = 168,456.53 × 45,730.51
  4. Step 4: Simplify right side
    112,335.59x = 7,703,602,722.92
  5. Step 5: Solve for x
    x = 7,703,602,722.92/112,335.59
  6. Step 6: Final answer
    x = 68,576.69

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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.