Home / 91,098.44-136,674.12-37,780.64

Finding the Fourth Proportional to 91,098.44, 136,674.12 and 37,780.64

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Solution

The fourth proportional to 91,098.44, 136,674.12 and 37,780.64 is: 56,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.44 : 136,674.12 = 37,780.64 : x
  2. Step 2: Convert to fraction form
    91,098.44/136,674.12 = 37,780.64/x
  3. Step 3: Cross multiply
    91,098.44x = 136,674.12 × 37,780.64
  4. Step 4: Simplify right side
    91,098.44x = 5,163,635,725.04
  5. Step 5: Solve for x
    x = 5,163,635,725.04/91,098.44
  6. Step 6: Final answer
    x = 56,681.93

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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.