Home / 61,753.20-85,235.70-42,636.12

Finding the Fourth Proportional to 61,753.20, 85,235.70 and 42,636.12

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Solution

The fourth proportional to 61,753.20, 85,235.70 and 42,636.12 is: 58,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,753.20 : 85,235.70 = 42,636.12 : x
  2. Step 2: Convert to fraction form
    61,753.20/85,235.70 = 42,636.12/x
  3. Step 3: Cross multiply
    61,753.20x = 85,235.70 × 42,636.12
  4. Step 4: Simplify right side
    61,753.20x = 3,634,119,533.48
  5. Step 5: Solve for x
    x = 3,634,119,533.48/61,753.20
  6. Step 6: Final answer
    x = 58,849.09

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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.