Home / 103,723.22-143,126.21-58,400.03

Finding the Fourth Proportional to 103,723.22, 143,126.21 and 58,400.03

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Solution

The fourth proportional to 103,723.22, 143,126.21 and 58,400.03 is: 80,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,723.22 : 143,126.21 = 58,400.03 : x
  2. Step 2: Convert to fraction form
    103,723.22/143,126.21 = 58,400.03/x
  3. Step 3: Cross multiply
    103,723.22x = 143,126.21 × 58,400.03
  4. Step 4: Simplify right side
    103,723.22x = 8,358,574,957.79
  5. Step 5: Solve for x
    x = 8,358,574,957.79/103,723.22
  6. Step 6: Final answer
    x = 80,585.38

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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.