Home / 109,684.50-164,526.77-39,563.81

Finding the Fourth Proportional to 109,684.50, 164,526.77 and 39,563.81

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Solution

The fourth proportional to 109,684.50, 164,526.77 and 39,563.81 is: 59,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.50 : 164,526.77 = 39,563.81 : x
  2. Step 2: Convert to fraction form
    109,684.50/164,526.77 = 39,563.81/x
  3. Step 3: Cross multiply
    109,684.50x = 164,526.77 × 39,563.81
  4. Step 4: Simplify right side
    109,684.50x = 6,509,305,144.47
  5. Step 5: Solve for x
    x = 6,509,305,144.47/109,684.50
  6. Step 6: Final answer
    x = 59,345.72

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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.