Home / 79,905.32-110,222.77-51,214.76

Finding the Fourth Proportional to 79,905.32, 110,222.77 and 51,214.76

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Solution

The fourth proportional to 79,905.32, 110,222.77 and 51,214.76 is: 70,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,905.32 : 110,222.77 = 51,214.76 : x
  2. Step 2: Convert to fraction form
    79,905.32/110,222.77 = 51,214.76/x
  3. Step 3: Cross multiply
    79,905.32x = 110,222.77 × 51,214.76
  4. Step 4: Simplify right side
    79,905.32x = 5,645,032,712.09
  5. Step 5: Solve for x
    x = 5,645,032,712.09/79,905.32
  6. Step 6: Final answer
    x = 70,646.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.