Home / 74,650.03-103,030.46-42,829.45

Finding the Fourth Proportional to 74,650.03, 103,030.46 and 42,829.45

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Solution

The fourth proportional to 74,650.03, 103,030.46 and 42,829.45 is: 59,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.03 : 103,030.46 = 42,829.45 : x
  2. Step 2: Convert to fraction form
    74,650.03/103,030.46 = 42,829.45/x
  3. Step 3: Cross multiply
    74,650.03x = 103,030.46 × 42,829.45
  4. Step 4: Simplify right side
    74,650.03x = 4,412,737,935.05
  5. Step 5: Solve for x
    x = 4,412,737,935.05/74,650.03
  6. Step 6: Final answer
    x = 59,112.34

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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.