Home / 74,201.16-111,117.09-51,910.17

Finding the Fourth Proportional to 74,201.16, 111,117.09 and 51,910.17

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Solution

The fourth proportional to 74,201.16, 111,117.09 and 51,910.17 is: 77,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,201.16 : 111,117.09 = 51,910.17 : x
  2. Step 2: Convert to fraction form
    74,201.16/111,117.09 = 51,910.17/x
  3. Step 3: Cross multiply
    74,201.16x = 111,117.09 × 51,910.17
  4. Step 4: Simplify right side
    74,201.16x = 5,768,107,031.81
  5. Step 5: Solve for x
    x = 5,768,107,031.81/74,201.16
  6. Step 6: Final answer
    x = 77,736.08

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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.