Home / 44,117.79-66,139.44-19,139.01

Finding the Fourth Proportional to 44,117.79, 66,139.44 and 19,139.01

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Solution

The fourth proportional to 44,117.79, 66,139.44 and 19,139.01 is: 28,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,117.79 : 66,139.44 = 19,139.01 : x
  2. Step 2: Convert to fraction form
    44,117.79/66,139.44 = 19,139.01/x
  3. Step 3: Cross multiply
    44,117.79x = 66,139.44 × 19,139.01
  4. Step 4: Simplify right side
    44,117.79x = 1,265,843,403.55
  5. Step 5: Solve for x
    x = 1,265,843,403.55/44,117.79
  6. Step 6: Final answer
    x = 28,692.36

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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.