Home / 103,502.03-142,847.93-58,183.74

Finding the Fourth Proportional to 103,502.03, 142,847.93 and 58,183.74

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Solution

The fourth proportional to 103,502.03, 142,847.93 and 58,183.74 is: 80,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,502.03 : 142,847.93 = 58,183.74 : x
  2. Step 2: Convert to fraction form
    103,502.03/142,847.93 = 58,183.74/x
  3. Step 3: Cross multiply
    103,502.03x = 142,847.93 × 58,183.74
  4. Step 4: Simplify right side
    103,502.03x = 8,311,426,964.12
  5. Step 5: Solve for x
    x = 8,311,426,964.12/103,502.03
  6. Step 6: Final answer
    x = 80,302.07

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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.