Home / 104,154.50-143,742.05-58,840.79

Finding the Fourth Proportional to 104,154.50, 143,742.05 and 58,840.79

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Solution

The fourth proportional to 104,154.50, 143,742.05 and 58,840.79 is: 81,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,154.50 : 143,742.05 = 58,840.79 : x
  2. Step 2: Convert to fraction form
    104,154.50/143,742.05 = 58,840.79/x
  3. Step 3: Cross multiply
    104,154.50x = 143,742.05 × 58,840.79
  4. Step 4: Simplify right side
    104,154.50x = 8,457,896,554.19
  5. Step 5: Solve for x
    x = 8,457,896,554.19/104,154.50
  6. Step 6: Final answer
    x = 81,205.30

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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.