Home / 74,627.80-111,941.70-43,091.80

Finding the Fourth Proportional to 74,627.80, 111,941.70 and 43,091.80

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Solution

The fourth proportional to 74,627.80, 111,941.70 and 43,091.80 is: 64,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.80 : 111,941.70 = 43,091.80 : x
  2. Step 2: Convert to fraction form
    74,627.80/111,941.70 = 43,091.80/x
  3. Step 3: Cross multiply
    74,627.80x = 111,941.70 × 43,091.80
  4. Step 4: Simplify right side
    74,627.80x = 4,823,769,348.06
  5. Step 5: Solve for x
    x = 4,823,769,348.06/74,627.80
  6. Step 6: Final answer
    x = 64,637.70

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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.