Home / 74,563.52-102,897.60-42,730.88

Finding the Fourth Proportional to 74,563.52, 102,897.60 and 42,730.88

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Solution

The fourth proportional to 74,563.52, 102,897.60 and 42,730.88 is: 58,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.52 : 102,897.60 = 42,730.88 : x
  2. Step 2: Convert to fraction form
    74,563.52/102,897.60 = 42,730.88/x
  3. Step 3: Cross multiply
    74,563.52x = 102,897.60 × 42,730.88
  4. Step 4: Simplify right side
    74,563.52x = 4,396,904,997.89
  5. Step 5: Solve for x
    x = 4,396,904,997.89/74,563.52
  6. Step 6: Final answer
    x = 58,968.58

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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.