Home / 109,790.08-151,518-62,047.84

Finding the Fourth Proportional to 109,790.08, 151,518 and 62,047.84

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Solution

The fourth proportional to 109,790.08, 151,518 and 62,047.84 is: 85,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,790.08 : 151,518 = 62,047.84 : x
  2. Step 2: Convert to fraction form
    109,790.08/151,518 = 62,047.84/x
  3. Step 3: Cross multiply
    109,790.08x = 151,518 × 62,047.84
  4. Step 4: Simplify right side
    109,790.08x = 9,401,364,621.12
  5. Step 5: Solve for x
    x = 9,401,364,621.12/109,790.08
  6. Step 6: Final answer
    x = 85,630.36

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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.