Home / 91,831.98-137,685.08-46,766.11

Finding the Fourth Proportional to 91,831.98, 137,685.08 and 46,766.11

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Solution

The fourth proportional to 91,831.98, 137,685.08 and 46,766.11 is: 70,117.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.98 : 137,685.08 = 46,766.11 : x
  2. Step 2: Convert to fraction form
    91,831.98/137,685.08 = 46,766.11/x
  3. Step 3: Cross multiply
    91,831.98x = 137,685.08 × 46,766.11
  4. Step 4: Simplify right side
    91,831.98x = 6,438,995,596.64
  5. Step 5: Solve for x
    x = 6,438,995,596.64/91,831.98
  6. Step 6: Final answer
    x = 70,117.14

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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.