Home / 91,626.30-137,590.61-61,831.96

Finding the Fourth Proportional to 91,626.30, 137,590.61 and 61,831.96

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Solution

The fourth proportional to 91,626.30, 137,590.61 and 61,831.96 is: 92,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,626.30 : 137,590.61 = 61,831.96 : x
  2. Step 2: Convert to fraction form
    91,626.30/137,590.61 = 61,831.96/x
  3. Step 3: Cross multiply
    91,626.30x = 137,590.61 × 61,831.96
  4. Step 4: Simplify right side
    91,626.30x = 8,507,496,484.24
  5. Step 5: Solve for x
    x = 8,507,496,484.24/91,626.30
  6. Step 6: Final answer
    x = 92,849.94

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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.