Home / 77,742.72-107,273.88-43,746.48

Finding the Fourth Proportional to 77,742.72, 107,273.88 and 43,746.48

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Solution

The fourth proportional to 77,742.72, 107,273.88 and 43,746.48 is: 60,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,742.72 : 107,273.88 = 43,746.48 : x
  2. Step 2: Convert to fraction form
    77,742.72/107,273.88 = 43,746.48/x
  3. Step 3: Cross multiply
    77,742.72x = 107,273.88 × 43,746.48
  4. Step 4: Simplify right side
    77,742.72x = 4,692,854,645.94
  5. Step 5: Solve for x
    x = 4,692,854,645.94/77,742.72
  6. Step 6: Final answer
    x = 60,363.91

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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.