Home / 91,631.52-137,408.40-32,482.08

Finding the Fourth Proportional to 91,631.52, 137,408.40 and 32,482.08

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Solution

The fourth proportional to 91,631.52, 137,408.40 and 32,482.08 is: 48,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631.52 : 137,408.40 = 32,482.08 : x
  2. Step 2: Convert to fraction form
    91,631.52/137,408.40 = 32,482.08/x
  3. Step 3: Cross multiply
    91,631.52x = 137,408.40 × 32,482.08
  4. Step 4: Simplify right side
    91,631.52x = 4,463,310,641.47
  5. Step 5: Solve for x
    x = 4,463,310,641.47/91,631.52
  6. Step 6: Final answer
    x = 48,709.34

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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.