Home / 75,266.04-103,843.50-43,430.76

Finding the Fourth Proportional to 75,266.04, 103,843.50 and 43,430.76

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Solution

The fourth proportional to 75,266.04, 103,843.50 and 43,430.76 is: 59,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,266.04 : 103,843.50 = 43,430.76 : x
  2. Step 2: Convert to fraction form
    75,266.04/103,843.50 = 43,430.76/x
  3. Step 3: Cross multiply
    75,266.04x = 103,843.50 × 43,430.76
  4. Step 4: Simplify right side
    75,266.04x = 4,510,002,126.06
  5. Step 5: Solve for x
    x = 4,510,002,126.06/75,266.04
  6. Step 6: Final answer
    x = 59,920.81

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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.