Home / 47,118.09-70,685.80-15,530.02

Finding the Fourth Proportional to 47,118.09, 70,685.80 and 15,530.02

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Solution

The fourth proportional to 47,118.09, 70,685.80 and 15,530.02 is: 23,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.09 : 70,685.80 = 15,530.02 : x
  2. Step 2: Convert to fraction form
    47,118.09/70,685.80 = 15,530.02/x
  3. Step 3: Cross multiply
    47,118.09x = 70,685.80 × 15,530.02
  4. Step 4: Simplify right side
    47,118.09x = 1,097,751,887.72
  5. Step 5: Solve for x
    x = 1,097,751,887.72/47,118.09
  6. Step 6: Final answer
    x = 23,297.89

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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.