Home / 47,068.02-70,625.12-20,741.40

Finding the Fourth Proportional to 47,068.02, 70,625.12 and 20,741.40

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Solution

The fourth proportional to 47,068.02, 70,625.12 and 20,741.40 is: 31,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,068.02 : 70,625.12 = 20,741.40 : x
  2. Step 2: Convert to fraction form
    47,068.02/70,625.12 = 20,741.40/x
  3. Step 3: Cross multiply
    47,068.02x = 70,625.12 × 20,741.40
  4. Step 4: Simplify right side
    47,068.02x = 1,464,863,760.26
  5. Step 5: Solve for x
    x = 1,464,863,760.26/47,068.02
  6. Step 6: Final answer
    x = 31,122.27

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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.