Home / 91,815.42-137,723.16-29,529.66

Finding the Fourth Proportional to 91,815.42, 137,723.16 and 29,529.66

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Solution

The fourth proportional to 91,815.42, 137,723.16 and 29,529.66 is: 44,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,815.42 : 137,723.16 = 29,529.66 : x
  2. Step 2: Convert to fraction form
    91,815.42/137,723.16 = 29,529.66/x
  3. Step 3: Cross multiply
    91,815.42x = 137,723.16 × 29,529.66
  4. Step 4: Simplify right side
    91,815.42x = 4,066,918,088.93
  5. Step 5: Solve for x
    x = 4,066,918,088.93/91,815.42
  6. Step 6: Final answer
    x = 44,294.50

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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.