Home / 79,934.69-110,352.17-51,656.51

Finding the Fourth Proportional to 79,934.69, 110,352.17 and 51,656.51

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Solution

The fourth proportional to 79,934.69, 110,352.17 and 51,656.51 is: 71,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934.69 : 110,352.17 = 51,656.51 : x
  2. Step 2: Convert to fraction form
    79,934.69/110,352.17 = 51,656.51/x
  3. Step 3: Cross multiply
    79,934.69x = 110,352.17 × 51,656.51
  4. Step 4: Simplify right side
    79,934.69x = 5,700,407,973.13
  5. Step 5: Solve for x
    x = 5,700,407,973.13/79,934.69
  6. Step 6: Final answer
    x = 71,313.32

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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.