Home / 109,267.68-150,803.76-61,530.36

Finding the Fourth Proportional to 109,267.68, 150,803.76 and 61,530.36

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Solution

The fourth proportional to 109,267.68, 150,803.76 and 61,530.36 is: 84,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,267.68 : 150,803.76 = 61,530.36 : x
  2. Step 2: Convert to fraction form
    109,267.68/150,803.76 = 61,530.36/x
  3. Step 3: Cross multiply
    109,267.68x = 150,803.76 × 61,530.36
  4. Step 4: Simplify right side
    109,267.68x = 9,279,009,642.15
  5. Step 5: Solve for x
    x = 9,279,009,642.15/109,267.68
  6. Step 6: Final answer
    x = 84,919.98

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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.