Home / 77,235.22-106,559.82-43,238.70

Finding the Fourth Proportional to 77,235.22, 106,559.82 and 43,238.70

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Solution

The fourth proportional to 77,235.22, 106,559.82 and 43,238.70 is: 59,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,235.22 : 106,559.82 = 43,238.70 : x
  2. Step 2: Convert to fraction form
    77,235.22/106,559.82 = 43,238.70/x
  3. Step 3: Cross multiply
    77,235.22x = 106,559.82 × 43,238.70
  4. Step 4: Simplify right side
    77,235.22x = 4,607,508,089.03
  5. Step 5: Solve for x
    x = 4,607,508,089.03/77,235.22
  6. Step 6: Final answer
    x = 59,655.53

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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.