Home / 47,000.83-70,407.25-28,270.53

Finding the Fourth Proportional to 47,000.83, 70,407.25 and 28,270.53

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Solution

The fourth proportional to 47,000.83, 70,407.25 and 28,270.53 is: 42,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,000.83 : 70,407.25 = 28,270.53 : x
  2. Step 2: Convert to fraction form
    47,000.83/70,407.25 = 28,270.53/x
  3. Step 3: Cross multiply
    47,000.83x = 70,407.25 × 28,270.53
  4. Step 4: Simplify right side
    47,000.83x = 1,990,450,273.34
  5. Step 5: Solve for x
    x = 1,990,450,273.34/47,000.83
  6. Step 6: Final answer
    x = 42,349.26

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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.