Home / 103,633.76-143,017.38-58,313.36

Finding the Fourth Proportional to 103,633.76, 143,017.38 and 58,313.36

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Solution

The fourth proportional to 103,633.76, 143,017.38 and 58,313.36 is: 80,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.76 : 143,017.38 = 58,313.36 : x
  2. Step 2: Convert to fraction form
    103,633.76/143,017.38 = 58,313.36/x
  3. Step 3: Cross multiply
    103,633.76x = 143,017.38 × 58,313.36
  4. Step 4: Simplify right side
    103,633.76x = 8,339,823,251.11
  5. Step 5: Solve for x
    x = 8,339,823,251.11/103,633.76
  6. Step 6: Final answer
    x = 80,474.00

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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.