Home / 91,071.96-136,585.89-46,675.86

Finding the Fourth Proportional to 91,071.96, 136,585.89 and 46,675.86

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Solution

The fourth proportional to 91,071.96, 136,585.89 and 46,675.86 is: 70,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.96 : 136,585.89 = 46,675.86 : x
  2. Step 2: Convert to fraction form
    91,071.96/136,585.89 = 46,675.86/x
  3. Step 3: Cross multiply
    91,071.96x = 136,585.89 × 46,675.86
  4. Step 4: Simplify right side
    91,071.96x = 6,375,263,879.62
  5. Step 5: Solve for x
    x = 6,375,263,879.62/91,071.96
  6. Step 6: Final answer
    x = 70,002.49

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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.