Home / 76,261.62-105,241.23-42,269.52

Finding the Fourth Proportional to 76,261.62, 105,241.23 and 42,269.52

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Solution

The fourth proportional to 76,261.62, 105,241.23 and 42,269.52 is: 58,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,261.62 : 105,241.23 = 42,269.52 : x
  2. Step 2: Convert to fraction form
    76,261.62/105,241.23 = 42,269.52/x
  3. Step 3: Cross multiply
    76,261.62x = 105,241.23 × 42,269.52
  4. Step 4: Simplify right side
    76,261.62x = 4,448,496,276.31
  5. Step 5: Solve for x
    x = 4,448,496,276.31/76,261.62
  6. Step 6: Final answer
    x = 58,332.05

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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.