Home / 75,151.34-103,710.71-41,161.25

Finding the Fourth Proportional to 75,151.34, 103,710.71 and 41,161.25

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Solution

The fourth proportional to 75,151.34, 103,710.71 and 41,161.25 is: 56,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.34 : 103,710.71 = 41,161.25 : x
  2. Step 2: Convert to fraction form
    75,151.34/103,710.71 = 41,161.25/x
  3. Step 3: Cross multiply
    75,151.34x = 103,710.71 × 41,161.25
  4. Step 4: Simplify right side
    75,151.34x = 4,268,862,515.46
  5. Step 5: Solve for x
    x = 4,268,862,515.46/75,151.34
  6. Step 6: Final answer
    x = 56,803.55

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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.