Home / 68,799.86-94,944.80-51,541.65

Finding the Fourth Proportional to 68,799.86, 94,944.80 and 51,541.65

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Solution

The fourth proportional to 68,799.86, 94,944.80 and 51,541.65 is: 71,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,799.86 : 94,944.80 = 51,541.65 : x
  2. Step 2: Convert to fraction form
    68,799.86/94,944.80 = 51,541.65/x
  3. Step 3: Cross multiply
    68,799.86x = 94,944.80 × 51,541.65
  4. Step 4: Simplify right side
    68,799.86x = 4,893,612,075.42
  5. Step 5: Solve for x
    x = 4,893,612,075.42/68,799.86
  6. Step 6: Final answer
    x = 71,128.23

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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.