Home / 74,800.25-103,214.12-42,969.14

Finding the Fourth Proportional to 74,800.25, 103,214.12 and 42,969.14

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Solution

The fourth proportional to 74,800.25, 103,214.12 and 42,969.14 is: 59,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,800.25 : 103,214.12 = 42,969.14 : x
  2. Step 2: Convert to fraction form
    74,800.25/103,214.12 = 42,969.14/x
  3. Step 3: Cross multiply
    74,800.25x = 103,214.12 × 42,969.14
  4. Step 4: Simplify right side
    74,800.25x = 4,435,022,015.45
  5. Step 5: Solve for x
    x = 4,435,022,015.45/74,800.25
  6. Step 6: Final answer
    x = 59,291.54

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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.