Home / 79,799.47-110,122.08-43,988.72

Finding the Fourth Proportional to 79,799.47, 110,122.08 and 43,988.72

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Solution

The fourth proportional to 79,799.47, 110,122.08 and 43,988.72 is: 60,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.47 : 110,122.08 = 43,988.72 : x
  2. Step 2: Convert to fraction form
    79,799.47/110,122.08 = 43,988.72/x
  3. Step 3: Cross multiply
    79,799.47x = 110,122.08 × 43,988.72
  4. Step 4: Simplify right side
    79,799.47x = 4,844,128,874.81
  5. Step 5: Solve for x
    x = 4,844,128,874.81/79,799.47
  6. Step 6: Final answer
    x = 60,703.77

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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.