Home / 91,531.92-137,300.28-29,202.42

Finding the Fourth Proportional to 91,531.92, 137,300.28 and 29,202.42

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Solution

The fourth proportional to 91,531.92, 137,300.28 and 29,202.42 is: 43,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,531.92 : 137,300.28 = 29,202.42 : x
  2. Step 2: Convert to fraction form
    91,531.92/137,300.28 = 29,202.42/x
  3. Step 3: Cross multiply
    91,531.92x = 137,300.28 × 29,202.42
  4. Step 4: Simplify right side
    91,531.92x = 4,009,500,442.68
  5. Step 5: Solve for x
    x = 4,009,500,442.68/91,531.92
  6. Step 6: Final answer
    x = 43,804.40

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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.