Home / 61,138.46-91,572.19-46,994.33

Finding the Fourth Proportional to 61,138.46, 91,572.19 and 46,994.33

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Solution

The fourth proportional to 61,138.46, 91,572.19 and 46,994.33 is: 70,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,138.46 : 91,572.19 = 46,994.33 : x
  2. Step 2: Convert to fraction form
    61,138.46/91,572.19 = 46,994.33/x
  3. Step 3: Cross multiply
    61,138.46x = 91,572.19 × 46,994.33
  4. Step 4: Simplify right side
    61,138.46x = 4,303,373,140.34
  5. Step 5: Solve for x
    x = 4,303,373,140.34/61,138.46
  6. Step 6: Final answer
    x = 70,387.34

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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.