Home / 75,121.37-112,518.27-37,616.03

Finding the Fourth Proportional to 75,121.37, 112,518.27 and 37,616.03

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Solution

The fourth proportional to 75,121.37, 112,518.27 and 37,616.03 is: 56,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,121.37 : 112,518.27 = 37,616.03 : x
  2. Step 2: Convert to fraction form
    75,121.37/112,518.27 = 37,616.03/x
  3. Step 3: Cross multiply
    75,121.37x = 112,518.27 × 37,616.03
  4. Step 4: Simplify right side
    75,121.37x = 4,232,490,057.28
  5. Step 5: Solve for x
    x = 4,232,490,057.28/75,121.37
  6. Step 6: Final answer
    x = 56,342.03

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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.