Home / 47,139.84-70,669.44-15,958.08

Finding the Fourth Proportional to 47,139.84, 70,669.44 and 15,958.08

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Solution

The fourth proportional to 47,139.84, 70,669.44 and 15,958.08 is: 23,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.84 : 70,669.44 = 15,958.08 : x
  2. Step 2: Convert to fraction form
    47,139.84/70,669.44 = 15,958.08/x
  3. Step 3: Cross multiply
    47,139.84x = 70,669.44 × 15,958.08
  4. Step 4: Simplify right side
    47,139.84x = 1,127,748,577.08
  5. Step 5: Solve for x
    x = 1,127,748,577.08/47,139.84
  6. Step 6: Final answer
    x = 23,923.47

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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.