Home / 91,054.96-136,621.80-48,885.82

Finding the Fourth Proportional to 91,054.96, 136,621.80 and 48,885.82

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Solution

The fourth proportional to 91,054.96, 136,621.80 and 48,885.82 is: 73,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.96 : 136,621.80 = 48,885.82 : x
  2. Step 2: Convert to fraction form
    91,054.96/136,621.80 = 48,885.82/x
  3. Step 3: Cross multiply
    91,054.96x = 136,621.80 × 48,885.82
  4. Step 4: Simplify right side
    91,054.96x = 6,678,868,722.88
  5. Step 5: Solve for x
    x = 6,678,868,722.88/91,054.96
  6. Step 6: Final answer
    x = 73,349.86

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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.