Home / 91,799.42-137,699.14-29,513.66

Finding the Fourth Proportional to 91,799.42, 137,699.14 and 29,513.66

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Solution

The fourth proportional to 91,799.42, 137,699.14 and 29,513.66 is: 44,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.42 : 137,699.14 = 29,513.66 : x
  2. Step 2: Convert to fraction form
    91,799.42/137,699.14 = 29,513.66/x
  3. Step 3: Cross multiply
    91,799.42x = 137,699.14 × 29,513.66
  4. Step 4: Simplify right side
    91,799.42x = 4,064,005,600.25
  5. Step 5: Solve for x
    x = 4,064,005,600.25/91,799.42
  6. Step 6: Final answer
    x = 44,270.49

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1.5x scale

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.