Home / 112,569.48-168,771.60-53,335.80

Finding the Fourth Proportional to 112,569.48, 168,771.60 and 53,335.80

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Solution

The fourth proportional to 112,569.48, 168,771.60 and 53,335.80 is: 79,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,569.48 : 168,771.60 = 53,335.80 : x
  2. Step 2: Convert to fraction form
    112,569.48/168,771.60 = 53,335.80/x
  3. Step 3: Cross multiply
    112,569.48x = 168,771.60 × 53,335.80
  4. Step 4: Simplify right side
    112,569.48x = 9,001,568,303.28
  5. Step 5: Solve for x
    x = 9,001,568,303.28/112,569.48
  6. Step 6: Final answer
    x = 79,964.55

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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.