Home / 76,578.81-105,663.24-44,741.55

Finding the Fourth Proportional to 76,578.81, 105,663.24 and 44,741.55

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Solution

The fourth proportional to 76,578.81, 105,663.24 and 44,741.55 is: 61,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,578.81 : 105,663.24 = 44,741.55 : x
  2. Step 2: Convert to fraction form
    76,578.81/105,663.24 = 44,741.55/x
  3. Step 3: Cross multiply
    76,578.81x = 105,663.24 × 44,741.55
  4. Step 4: Simplify right side
    76,578.81x = 4,727,537,135.62
  5. Step 5: Solve for x
    x = 4,727,537,135.62/76,578.81
  6. Step 6: Final answer
    x = 61,734.27

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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.