Home / 74,067.05-102,212.08-42,235.26

Finding the Fourth Proportional to 74,067.05, 102,212.08 and 42,235.26

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Solution

The fourth proportional to 74,067.05, 102,212.08 and 42,235.26 is: 58,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,067.05 : 102,212.08 = 42,235.26 : x
  2. Step 2: Convert to fraction form
    74,067.05/102,212.08 = 42,235.26/x
  3. Step 3: Cross multiply
    74,067.05x = 102,212.08 × 42,235.26
  4. Step 4: Simplify right side
    74,067.05x = 4,316,953,773.94
  5. Step 5: Solve for x
    x = 4,316,953,773.94/74,067.05
  6. Step 6: Final answer
    x = 58,284.41

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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.