Home / 47,028.86-70,547.84-13,748.16

Finding the Fourth Proportional to 47,028.86, 70,547.84 and 13,748.16

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Solution

The fourth proportional to 47,028.86, 70,547.84 and 13,748.16 is: 20,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.86 : 70,547.84 = 13,748.16 : x
  2. Step 2: Convert to fraction form
    47,028.86/70,547.84 = 13,748.16/x
  3. Step 3: Cross multiply
    47,028.86x = 70,547.84 × 13,748.16
  4. Step 4: Simplify right side
    47,028.86x = 969,902,991.97
  5. Step 5: Solve for x
    x = 969,902,991.97/47,028.86
  6. Step 6: Final answer
    x = 20,623.57

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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.