Home / 103,852.73-143,312.63-58,540.11

Finding the Fourth Proportional to 103,852.73, 143,312.63 and 58,540.11

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Solution

The fourth proportional to 103,852.73, 143,312.63 and 58,540.11 is: 80,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,852.73 : 143,312.63 = 58,540.11 : x
  2. Step 2: Convert to fraction form
    103,852.73/143,312.63 = 58,540.11/x
  3. Step 3: Cross multiply
    103,852.73x = 143,312.63 × 58,540.11
  4. Step 4: Simplify right side
    103,852.73x = 8,389,536,831.89
  5. Step 5: Solve for x
    x = 8,389,536,831.89/103,852.73
  6. Step 6: Final answer
    x = 80,783.02

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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.