Home / 75,153.36-112,743-25,238.26

Finding the Fourth Proportional to 75,153.36, 112,743 and 25,238.26

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Solution

The fourth proportional to 75,153.36, 112,743 and 25,238.26 is: 37,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,153.36 : 112,743 = 25,238.26 : x
  2. Step 2: Convert to fraction form
    75,153.36/112,743 = 25,238.26/x
  3. Step 3: Cross multiply
    75,153.36x = 112,743 × 25,238.26
  4. Step 4: Simplify right side
    75,153.36x = 2,845,437,147.18
  5. Step 5: Solve for x
    x = 2,845,437,147.18/75,153.36
  6. Step 6: Final answer
    x = 37,861.74

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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.