Home / 77,271.52-116,010.96-45,739.84

Finding the Fourth Proportional to 77,271.52, 116,010.96 and 45,739.84

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Solution

The fourth proportional to 77,271.52, 116,010.96 and 45,739.84 is: 68,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,271.52 : 116,010.96 = 45,739.84 : x
  2. Step 2: Convert to fraction form
    77,271.52/116,010.96 = 45,739.84/x
  3. Step 3: Cross multiply
    77,271.52x = 116,010.96 × 45,739.84
  4. Step 4: Simplify right side
    77,271.52x = 5,306,322,748.65
  5. Step 5: Solve for x
    x = 5,306,322,748.65/77,271.52
  6. Step 6: Final answer
    x = 68,671.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.