Home / 77,137.95-106,460.23-43,148.33

Finding the Fourth Proportional to 77,137.95, 106,460.23 and 43,148.33

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Solution

The fourth proportional to 77,137.95, 106,460.23 and 43,148.33 is: 59,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,137.95 : 106,460.23 = 43,148.33 : x
  2. Step 2: Convert to fraction form
    77,137.95/106,460.23 = 43,148.33/x
  3. Step 3: Cross multiply
    77,137.95x = 106,460.23 × 43,148.33
  4. Step 4: Simplify right side
    77,137.95x = 4,593,580,603.61
  5. Step 5: Solve for x
    x = 4,593,580,603.61/77,137.95
  6. Step 6: Final answer
    x = 59,550.20

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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.