Home / 74,221.83-102,329.76-47,317.64

Finding the Fourth Proportional to 74,221.83, 102,329.76 and 47,317.64

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Solution

The fourth proportional to 74,221.83, 102,329.76 and 47,317.64 is: 65,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,221.83 : 102,329.76 = 47,317.64 : x
  2. Step 2: Convert to fraction form
    74,221.83/102,329.76 = 47,317.64/x
  3. Step 3: Cross multiply
    74,221.83x = 102,329.76 × 47,317.64
  4. Step 4: Simplify right side
    74,221.83x = 4,842,002,410.76
  5. Step 5: Solve for x
    x = 4,842,002,410.76/74,221.83
  6. Step 6: Final answer
    x = 65,236.90

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1.5x scale

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.