Home / 91,451.23-137,220.59-32,314.75

Finding the Fourth Proportional to 91,451.23, 137,220.59 and 32,314.75

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Solution

The fourth proportional to 91,451.23, 137,220.59 and 32,314.75 is: 48,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,451.23 : 137,220.59 = 32,314.75 : x
  2. Step 2: Convert to fraction form
    91,451.23/137,220.59 = 32,314.75/x
  3. Step 3: Cross multiply
    91,451.23x = 137,220.59 × 32,314.75
  4. Step 4: Simplify right side
    91,451.23x = 4,434,249,570.30
  5. Step 5: Solve for x
    x = 4,434,249,570.30/91,451.23
  6. Step 6: Final answer
    x = 48,487.59

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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.