Home / 103,362.08-142,629.05-58,045.07

Finding the Fourth Proportional to 103,362.08, 142,629.05 and 58,045.07

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Solution

The fourth proportional to 103,362.08, 142,629.05 and 58,045.07 is: 80,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,362.08 : 142,629.05 = 58,045.07 : x
  2. Step 2: Convert to fraction form
    103,362.08/142,629.05 = 58,045.07/x
  3. Step 3: Cross multiply
    103,362.08x = 142,629.05 × 58,045.07
  4. Step 4: Simplify right side
    103,362.08x = 8,278,913,692.97
  5. Step 5: Solve for x
    x = 8,278,913,692.97/103,362.08
  6. Step 6: Final answer
    x = 80,096.24

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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.