Home / 66,588.86-99,934.93-49,764.15

Finding the Fourth Proportional to 66,588.86, 99,934.93 and 49,764.15

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Solution

The fourth proportional to 66,588.86, 99,934.93 and 49,764.15 is: 74,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,588.86 : 99,934.93 = 49,764.15 : x
  2. Step 2: Convert to fraction form
    66,588.86/99,934.93 = 49,764.15/x
  3. Step 3: Cross multiply
    66,588.86x = 99,934.93 × 49,764.15
  4. Step 4: Simplify right side
    66,588.86x = 4,973,176,846.76
  5. Step 5: Solve for x
    x = 4,973,176,846.76/66,588.86
  6. Step 6: Final answer
    x = 74,684.82

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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.