Home / 47,172.90-70,744.29-15,577.08

Finding the Fourth Proportional to 47,172.90, 70,744.29 and 15,577.08

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Solution

The fourth proportional to 47,172.90, 70,744.29 and 15,577.08 is: 23,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.90 : 70,744.29 = 15,577.08 : x
  2. Step 2: Convert to fraction form
    47,172.90/70,744.29 = 15,577.08/x
  3. Step 3: Cross multiply
    47,172.90x = 70,744.29 × 15,577.08
  4. Step 4: Simplify right side
    47,172.90x = 1,101,989,464.87
  5. Step 5: Solve for x
    x = 1,101,989,464.87/47,172.90
  6. Step 6: Final answer
    x = 23,360.65

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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.