Home / 71,285.82-98,367.75-42,599.77

Finding the Fourth Proportional to 71,285.82, 98,367.75 and 42,599.77

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Solution

The fourth proportional to 71,285.82, 98,367.75 and 42,599.77 is: 58,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,285.82 : 98,367.75 = 42,599.77 : x
  2. Step 2: Convert to fraction form
    71,285.82/98,367.75 = 42,599.77/x
  3. Step 3: Cross multiply
    71,285.82x = 98,367.75 × 42,599.77
  4. Step 4: Simplify right side
    71,285.82x = 4,190,443,033.58
  5. Step 5: Solve for x
    x = 4,190,443,033.58/71,285.82
  6. Step 6: Final answer
    x = 58,783.69

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1.5x scale

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.