Home / 109,280.08-163,887.72-46,936

Finding the Fourth Proportional to 109,280.08, 163,887.72 and 46,936

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Solution

The fourth proportional to 109,280.08, 163,887.72 and 46,936 is: 70,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,280.08 : 163,887.72 = 46,936 : x
  2. Step 2: Convert to fraction form
    109,280.08/163,887.72 = 46,936/x
  3. Step 3: Cross multiply
    109,280.08x = 163,887.72 × 46,936
  4. Step 4: Simplify right side
    109,280.08x = 7,692,234,025.92
  5. Step 5: Solve for x
    x = 7,692,234,025.92/109,280.08
  6. Step 6: Final answer
    x = 70,390.08

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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.