Home / 75,116.03-103,683.18-43,306.10

Finding the Fourth Proportional to 75,116.03, 103,683.18 and 43,306.10

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Solution

The fourth proportional to 75,116.03, 103,683.18 and 43,306.10 is: 59,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.03 : 103,683.18 = 43,306.10 : x
  2. Step 2: Convert to fraction form
    75,116.03/103,683.18 = 43,306.10/x
  3. Step 3: Cross multiply
    75,116.03x = 103,683.18 × 43,306.10
  4. Step 4: Simplify right side
    75,116.03x = 4,490,114,161.40
  5. Step 5: Solve for x
    x = 4,490,114,161.40/75,116.03
  6. Step 6: Final answer
    x = 59,775.71

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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.