Home / 103,583.51-142,949.51-58,263.60

Finding the Fourth Proportional to 103,583.51, 142,949.51 and 58,263.60

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Solution

The fourth proportional to 103,583.51, 142,949.51 and 58,263.60 is: 80,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,583.51 : 142,949.51 = 58,263.60 : x
  2. Step 2: Convert to fraction form
    103,583.51/142,949.51 = 58,263.60/x
  3. Step 3: Cross multiply
    103,583.51x = 142,949.51 × 58,263.60
  4. Step 4: Simplify right side
    103,583.51x = 8,328,752,779.52
  5. Step 5: Solve for x
    x = 8,328,752,779.52/103,583.51
  6. Step 6: Final answer
    x = 80,406.17

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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.