Home / 77,329.42-106,722.09-43,343.68

Finding the Fourth Proportional to 77,329.42, 106,722.09 and 43,343.68

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Solution

The fourth proportional to 77,329.42, 106,722.09 and 43,343.68 is: 59,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,329.42 : 106,722.09 = 43,343.68 : x
  2. Step 2: Convert to fraction form
    77,329.42/106,722.09 = 43,343.68/x
  3. Step 3: Cross multiply
    77,329.42x = 106,722.09 × 43,343.68
  4. Step 4: Simplify right side
    77,329.42x = 4,625,728,117.89
  5. Step 5: Solve for x
    x = 4,625,728,117.89/77,329.42
  6. Step 6: Final answer
    x = 59,818.48

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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.