Home / 79,586.19-109,829.75-43,776.50

Finding the Fourth Proportional to 79,586.19, 109,829.75 and 43,776.50

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Solution

The fourth proportional to 79,586.19, 109,829.75 and 43,776.50 is: 60,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.19 : 109,829.75 = 43,776.50 : x
  2. Step 2: Convert to fraction form
    79,586.19/109,829.75 = 43,776.50/x
  3. Step 3: Cross multiply
    79,586.19x = 109,829.75 × 43,776.50
  4. Step 4: Simplify right side
    79,586.19x = 4,807,961,282.84
  5. Step 5: Solve for x
    x = 4,807,961,282.84/79,586.19
  6. Step 6: Final answer
    x = 60,412.00

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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.