Home / 74,781.03-112,073.94-30,355.77

Finding the Fourth Proportional to 74,781.03, 112,073.94 and 30,355.77

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Solution

The fourth proportional to 74,781.03, 112,073.94 and 30,355.77 is: 45,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781.03 : 112,073.94 = 30,355.77 : x
  2. Step 2: Convert to fraction form
    74,781.03/112,073.94 = 30,355.77/x
  3. Step 3: Cross multiply
    74,781.03x = 112,073.94 × 30,355.77
  4. Step 4: Simplify right side
    74,781.03x = 3,402,090,745.63
  5. Step 5: Solve for x
    x = 3,402,090,745.63/74,781.03
  6. Step 6: Final answer
    x = 45,494.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.