Home / 42,986.48-64,494.77-16,709.67

Finding the Fourth Proportional to 42,986.48, 64,494.77 and 16,709.67

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Solution

The fourth proportional to 42,986.48, 64,494.77 and 16,709.67 is: 25,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,986.48 : 64,494.77 = 16,709.67 : x
  2. Step 2: Convert to fraction form
    42,986.48/64,494.77 = 16,709.67/x
  3. Step 3: Cross multiply
    42,986.48x = 64,494.77 × 16,709.67
  4. Step 4: Simplify right side
    42,986.48x = 1,077,686,239.88
  5. Step 5: Solve for x
    x = 1,077,686,239.88/42,986.48
  6. Step 6: Final answer
    x = 25,070.36

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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.