Home / 91,400.96-137,046.08-59,772.84

Finding the Fourth Proportional to 91,400.96, 137,046.08 and 59,772.84

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Solution

The fourth proportional to 91,400.96, 137,046.08 and 59,772.84 is: 89,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,400.96 : 137,046.08 = 59,772.84 : x
  2. Step 2: Convert to fraction form
    91,400.96/137,046.08 = 59,772.84/x
  3. Step 3: Cross multiply
    91,400.96x = 137,046.08 × 59,772.84
  4. Step 4: Simplify right side
    91,400.96x = 8,191,632,428.37
  5. Step 5: Solve for x
    x = 8,191,632,428.37/91,400.96
  6. Step 6: Final answer
    x = 89,623.05

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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.