Home / 109,917.12-151,687.26-59,616.12

Finding the Fourth Proportional to 109,917.12, 151,687.26 and 59,616.12

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Solution

The fourth proportional to 109,917.12, 151,687.26 and 59,616.12 is: 82,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.12 : 151,687.26 = 59,616.12 : x
  2. Step 2: Convert to fraction form
    109,917.12/151,687.26 = 59,616.12/x
  3. Step 3: Cross multiply
    109,917.12x = 151,687.26 × 59,616.12
  4. Step 4: Simplify right side
    109,917.12x = 9,043,005,894.63
  5. Step 5: Solve for x
    x = 9,043,005,894.63/109,917.12
  6. Step 6: Final answer
    x = 82,271.13

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1.5x scale

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.