Home / 74,749.94-103,154.26-42,919.07

Finding the Fourth Proportional to 74,749.94, 103,154.26 and 42,919.07

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Solution

The fourth proportional to 74,749.94, 103,154.26 and 42,919.07 is: 59,227.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,749.94 : 103,154.26 = 42,919.07 : x
  2. Step 2: Convert to fraction form
    74,749.94/103,154.26 = 42,919.07/x
  3. Step 3: Cross multiply
    74,749.94x = 103,154.26 × 42,919.07
  4. Step 4: Simplify right side
    74,749.94x = 4,427,284,363.14
  5. Step 5: Solve for x
    x = 4,427,284,363.14/74,749.94
  6. Step 6: Final answer
    x = 59,227.93

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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.