Home / 79,710.03-109,998.51-43,903.38

Finding the Fourth Proportional to 79,710.03, 109,998.51 and 43,903.38

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Solution

The fourth proportional to 79,710.03, 109,998.51 and 43,903.38 is: 60,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710.03 : 109,998.51 = 43,903.38 : x
  2. Step 2: Convert to fraction form
    79,710.03/109,998.51 = 43,903.38/x
  3. Step 3: Cross multiply
    79,710.03x = 109,998.51 × 43,903.38
  4. Step 4: Simplify right side
    79,710.03x = 4,829,306,383.96
  5. Step 5: Solve for x
    x = 4,829,306,383.96/79,710.03
  6. Step 6: Final answer
    x = 60,585.93

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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.