Home / 76,068.04-104,977.58-42,076.38

Finding the Fourth Proportional to 76,068.04, 104,977.58 and 42,076.38

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Solution

The fourth proportional to 76,068.04, 104,977.58 and 42,076.38 is: 58,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,068.04 : 104,977.58 = 42,076.38 : x
  2. Step 2: Convert to fraction form
    76,068.04/104,977.58 = 42,076.38/x
  3. Step 3: Cross multiply
    76,068.04x = 104,977.58 × 42,076.38
  4. Step 4: Simplify right side
    76,068.04x = 4,417,076,547.56
  5. Step 5: Solve for x
    x = 4,417,076,547.56/76,068.04
  6. Step 6: Final answer
    x = 58,067.44

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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.