Home / 112,588.01-168,881.87-53,391.39

Finding the Fourth Proportional to 112,588.01, 168,881.87 and 53,391.39

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Solution

The fourth proportional to 112,588.01, 168,881.87 and 53,391.39 is: 80,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,588.01 : 168,881.87 = 53,391.39 : x
  2. Step 2: Convert to fraction form
    112,588.01/168,881.87 = 53,391.39/x
  3. Step 3: Cross multiply
    112,588.01x = 168,881.87 × 53,391.39
  4. Step 4: Simplify right side
    112,588.01x = 9,016,837,518.14
  5. Step 5: Solve for x
    x = 9,016,837,518.14/112,588.01
  6. Step 6: Final answer
    x = 80,087.02

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1.5x scale

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.