Home / 76,068.24-104,971.32-42,532.08

Finding the Fourth Proportional to 76,068.24, 104,971.32 and 42,532.08

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Solution

The fourth proportional to 76,068.24, 104,971.32 and 42,532.08 is: 58,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,068.24 : 104,971.32 = 42,532.08 : x
  2. Step 2: Convert to fraction form
    76,068.24/104,971.32 = 42,532.08/x
  3. Step 3: Cross multiply
    76,068.24x = 104,971.32 × 42,532.08
  4. Step 4: Simplify right side
    76,068.24x = 4,464,648,579.95
  5. Step 5: Solve for x
    x = 4,464,648,579.95/76,068.24
  6. Step 6: Final answer
    x = 58,692.68

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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.