Home / 77,331.67-106,725.20-43,345.93

Finding the Fourth Proportional to 77,331.67, 106,725.20 and 43,345.93

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Solution

The fourth proportional to 77,331.67, 106,725.20 and 43,345.93 is: 59,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,331.67 : 106,725.20 = 43,345.93 : x
  2. Step 2: Convert to fraction form
    77,331.67/106,725.20 = 43,345.93/x
  3. Step 3: Cross multiply
    77,331.67x = 106,725.20 × 43,345.93
  4. Step 4: Simplify right side
    77,331.67x = 4,626,102,831.71
  5. Step 5: Solve for x
    x = 4,626,102,831.71/77,331.67
  6. Step 6: Final answer
    x = 59,821.58

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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.