Home / 75,411.40-113,117.10-50,151.55

Finding the Fourth Proportional to 75,411.40, 113,117.10 and 50,151.55

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Solution

The fourth proportional to 75,411.40, 113,117.10 and 50,151.55 is: 75,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.40 : 113,117.10 = 50,151.55 : x
  2. Step 2: Convert to fraction form
    75,411.40/113,117.10 = 50,151.55/x
  3. Step 3: Cross multiply
    75,411.40x = 113,117.10 × 50,151.55
  4. Step 4: Simplify right side
    75,411.40x = 5,672,997,896.51
  5. Step 5: Solve for x
    x = 5,672,997,896.51/75,411.40
  6. Step 6: Final answer
    x = 75,227.33

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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.