Home / 79,160.04-109,237.32-47,346.48

Finding the Fourth Proportional to 79,160.04, 109,237.32 and 47,346.48

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Solution

The fourth proportional to 79,160.04, 109,237.32 and 47,346.48 is: 65,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,160.04 : 109,237.32 = 47,346.48 : x
  2. Step 2: Convert to fraction form
    79,160.04/109,237.32 = 47,346.48/x
  3. Step 3: Cross multiply
    79,160.04x = 109,237.32 × 47,346.48
  4. Step 4: Simplify right side
    79,160.04x = 5,172,002,586.63
  5. Step 5: Solve for x
    x = 5,172,002,586.63/79,160.04
  6. Step 6: Final answer
    x = 65,336.03

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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.