Home / 76,537.08-105,621.08-42,544.49

Finding the Fourth Proportional to 76,537.08, 105,621.08 and 42,544.49

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Solution

The fourth proportional to 76,537.08, 105,621.08 and 42,544.49 is: 58,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,537.08 : 105,621.08 = 42,544.49 : x
  2. Step 2: Convert to fraction form
    76,537.08/105,621.08 = 42,544.49/x
  3. Step 3: Cross multiply
    76,537.08x = 105,621.08 × 42,544.49
  4. Step 4: Simplify right side
    76,537.08x = 4,493,594,241.02
  5. Step 5: Solve for x
    x = 4,493,594,241.02/76,537.08
  6. Step 6: Final answer
    x = 58,711.34

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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.