Home / 94,135.87-129,907.50-51,115.15

Finding the Fourth Proportional to 94,135.87, 129,907.50 and 51,115.15

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Solution

The fourth proportional to 94,135.87, 129,907.50 and 51,115.15 is: 70,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,135.87 : 129,907.50 = 51,115.15 : x
  2. Step 2: Convert to fraction form
    94,135.87/129,907.50 = 51,115.15/x
  3. Step 3: Cross multiply
    94,135.87x = 129,907.50 × 51,115.15
  4. Step 4: Simplify right side
    94,135.87x = 6,640,241,319.33
  5. Step 5: Solve for x
    x = 6,640,241,319.33/94,135.87
  6. Step 6: Final answer
    x = 70,538.91

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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.