Home / 91,823.79-137,736.90-52,333.86

Finding the Fourth Proportional to 91,823.79, 137,736.90 and 52,333.86

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Solution

The fourth proportional to 91,823.79, 137,736.90 and 52,333.86 is: 78,501.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.79 : 137,736.90 = 52,333.86 : x
  2. Step 2: Convert to fraction form
    91,823.79/137,736.90 = 52,333.86/x
  3. Step 3: Cross multiply
    91,823.79x = 137,736.90 × 52,333.86
  4. Step 4: Simplify right side
    91,823.79x = 7,208,303,641.43
  5. Step 5: Solve for x
    x = 7,208,303,641.43/91,823.79
  6. Step 6: Final answer
    x = 78,501.48

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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.