Home / 42,750.99-64,126.49-11,586.24

Finding the Fourth Proportional to 42,750.99, 64,126.49 and 11,586.24

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Solution

The fourth proportional to 42,750.99, 64,126.49 and 11,586.24 is: 17,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.99 : 64,126.49 = 11,586.24 : x
  2. Step 2: Convert to fraction form
    42,750.99/64,126.49 = 11,586.24/x
  3. Step 3: Cross multiply
    42,750.99x = 64,126.49 × 11,586.24
  4. Step 4: Simplify right side
    42,750.99x = 742,984,845.57
  5. Step 5: Solve for x
    x = 742,984,845.57/42,750.99
  6. Step 6: Final answer
    x = 17,379.36

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1.5x scale

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.