Home / 91,089.40-136,621.72-24,533.48

Finding the Fourth Proportional to 91,089.40, 136,621.72 and 24,533.48

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Solution

The fourth proportional to 91,089.40, 136,621.72 and 24,533.48 is: 36,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089.40 : 136,621.72 = 24,533.48 : x
  2. Step 2: Convert to fraction form
    91,089.40/136,621.72 = 24,533.48/x
  3. Step 3: Cross multiply
    91,089.40x = 136,621.72 × 24,533.48
  4. Step 4: Simplify right side
    91,089.40x = 3,351,806,235.19
  5. Step 5: Solve for x
    x = 3,351,806,235.19/91,089.40
  6. Step 6: Final answer
    x = 36,796.89

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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.