Home / 91,177.98-136,723.15-43,106.64

Finding the Fourth Proportional to 91,177.98, 136,723.15 and 43,106.64

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Solution

The fourth proportional to 91,177.98, 136,723.15 and 43,106.64 is: 64,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.98 : 136,723.15 = 43,106.64 : x
  2. Step 2: Convert to fraction form
    91,177.98/136,723.15 = 43,106.64/x
  3. Step 3: Cross multiply
    91,177.98x = 136,723.15 × 43,106.64
  4. Step 4: Simplify right side
    91,177.98x = 5,893,675,606.72
  5. Step 5: Solve for x
    x = 5,893,675,606.72/91,177.98
  6. Step 6: Final answer
    x = 64,639.24

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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.