Home / 74,650.28-103,015.60-42,817.14

Finding the Fourth Proportional to 74,650.28, 103,015.60 and 42,817.14

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Solution

The fourth proportional to 74,650.28, 103,015.60 and 42,817.14 is: 59,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.28 : 103,015.60 = 42,817.14 : x
  2. Step 2: Convert to fraction form
    74,650.28/103,015.60 = 42,817.14/x
  3. Step 3: Cross multiply
    74,650.28x = 103,015.60 × 42,817.14
  4. Step 4: Simplify right side
    74,650.28x = 4,410,833,260.34
  5. Step 5: Solve for x
    x = 4,410,833,260.34/74,650.28
  6. Step 6: Final answer
    x = 59,086.63

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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.