Home / 77,340.06-106,780.68-59,402.97

Finding the Fourth Proportional to 77,340.06, 106,780.68 and 59,402.97

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Solution

The fourth proportional to 77,340.06, 106,780.68 and 59,402.97 is: 82,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,340.06 : 106,780.68 = 59,402.97 : x
  2. Step 2: Convert to fraction form
    77,340.06/106,780.68 = 59,402.97/x
  3. Step 3: Cross multiply
    77,340.06x = 106,780.68 × 59,402.97
  4. Step 4: Simplify right side
    77,340.06x = 6,343,089,530.62
  5. Step 5: Solve for x
    x = 6,343,089,530.62/77,340.06
  6. Step 6: Final answer
    x = 82,015.58

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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.