Home / 47,600.72-65,670.51-30,602.60

Finding the Fourth Proportional to 47,600.72, 65,670.51 and 30,602.60

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Solution

The fourth proportional to 47,600.72, 65,670.51 and 30,602.60 is: 42,219.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600.72 : 65,670.51 = 30,602.60 : x
  2. Step 2: Convert to fraction form
    47,600.72/65,670.51 = 30,602.60/x
  3. Step 3: Cross multiply
    47,600.72x = 65,670.51 × 30,602.60
  4. Step 4: Simplify right side
    47,600.72x = 2,009,688,349.33
  5. Step 5: Solve for x
    x = 2,009,688,349.33/47,600.72
  6. Step 6: Final answer
    x = 42,219.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.