Home / 109,221.20-163,895.50-46,037.48

Finding the Fourth Proportional to 109,221.20, 163,895.50 and 46,037.48

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Solution

The fourth proportional to 109,221.20, 163,895.50 and 46,037.48 is: 69,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,221.20 : 163,895.50 = 46,037.48 : x
  2. Step 2: Convert to fraction form
    109,221.20/163,895.50 = 46,037.48/x
  3. Step 3: Cross multiply
    109,221.20x = 163,895.50 × 46,037.48
  4. Step 4: Simplify right side
    109,221.20x = 7,545,335,803.34
  5. Step 5: Solve for x
    x = 7,545,335,803.34/109,221.20
  6. Step 6: Final answer
    x = 69,083.07

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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.