Home / 103,583.45-142,957.85-58,263.35

Finding the Fourth Proportional to 103,583.45, 142,957.85 and 58,263.35

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Solution

The fourth proportional to 103,583.45, 142,957.85 and 58,263.35 is: 80,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,583.45 : 142,957.85 = 58,263.35 : x
  2. Step 2: Convert to fraction form
    103,583.45/142,957.85 = 58,263.35/x
  3. Step 3: Cross multiply
    103,583.45x = 142,957.85 × 58,263.35
  4. Step 4: Simplify right side
    103,583.45x = 8,329,202,243.69
  5. Step 5: Solve for x
    x = 8,329,202,243.69/103,583.45
  6. Step 6: Final answer
    x = 80,410.55

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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.