Home / 112,332-168,547.20-53,209.92

Finding the Fourth Proportional to 112,332, 168,547.20 and 53,209.92

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Solution

The fourth proportional to 112,332, 168,547.20 and 53,209.92 is: 79,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,332 : 168,547.20 = 53,209.92 : x
  2. Step 2: Convert to fraction form
    112,332/168,547.20 = 53,209.92/x
  3. Step 3: Cross multiply
    112,332x = 168,547.20 × 53,209.92
  4. Step 4: Simplify right side
    112,332x = 8,968,383,028.22
  5. Step 5: Solve for x
    x = 8,968,383,028.22/112,332
  6. Step 6: Final answer
    x = 79,838.19

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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.