Home / 103,632.21-143,002.24-58,309.06

Finding the Fourth Proportional to 103,632.21, 143,002.24 and 58,309.06

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Solution

The fourth proportional to 103,632.21, 143,002.24 and 58,309.06 is: 80,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.21 : 143,002.24 = 58,309.06 : x
  2. Step 2: Convert to fraction form
    103,632.21/143,002.24 = 58,309.06/x
  3. Step 3: Cross multiply
    103,632.21x = 143,002.24 × 58,309.06
  4. Step 4: Simplify right side
    103,632.21x = 8,338,326,192.29
  5. Step 5: Solve for x
    x = 8,338,326,192.29/103,632.21
  6. Step 6: Final answer
    x = 80,460.76

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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.