Home / 79,267.98-109,389.79-43,457.23

Finding the Fourth Proportional to 79,267.98, 109,389.79 and 43,457.23

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Solution

The fourth proportional to 79,267.98, 109,389.79 and 43,457.23 is: 59,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.98 : 109,389.79 = 43,457.23 : x
  2. Step 2: Convert to fraction form
    79,267.98/109,389.79 = 43,457.23/x
  3. Step 3: Cross multiply
    79,267.98x = 109,389.79 × 43,457.23
  4. Step 4: Simplify right side
    79,267.98x = 4,753,776,839.42
  5. Step 5: Solve for x
    x = 4,753,776,839.42/79,267.98
  6. Step 6: Final answer
    x = 59,970.96

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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.