Home / 79,212.95-109,316.41-43,405.24

Finding the Fourth Proportional to 79,212.95, 109,316.41 and 43,405.24

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Solution

The fourth proportional to 79,212.95, 109,316.41 and 43,405.24 is: 59,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.95 : 109,316.41 = 43,405.24 : x
  2. Step 2: Convert to fraction form
    79,212.95/109,316.41 = 43,405.24/x
  3. Step 3: Cross multiply
    79,212.95x = 109,316.41 × 43,405.24
  4. Step 4: Simplify right side
    79,212.95x = 4,744,905,011.99
  5. Step 5: Solve for x
    x = 4,744,905,011.99/79,212.95
  6. Step 6: Final answer
    x = 59,900.62

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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.