Home / 61,149.14-91,723.98-16,776.40

Finding the Fourth Proportional to 61,149.14, 91,723.98 and 16,776.40

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Solution

The fourth proportional to 61,149.14, 91,723.98 and 16,776.40 is: 25,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.14 : 91,723.98 = 16,776.40 : x
  2. Step 2: Convert to fraction form
    61,149.14/91,723.98 = 16,776.40/x
  3. Step 3: Cross multiply
    61,149.14x = 91,723.98 × 16,776.40
  4. Step 4: Simplify right side
    61,149.14x = 1,538,798,178.07
  5. Step 5: Solve for x
    x = 1,538,798,178.07/61,149.14
  6. Step 6: Final answer
    x = 25,164.67

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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.