Home / 76,784.09-105,962.46-44,537.81

Finding the Fourth Proportional to 76,784.09, 105,962.46 and 44,537.81

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Solution

The fourth proportional to 76,784.09, 105,962.46 and 44,537.81 is: 61,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,784.09 : 105,962.46 = 44,537.81 : x
  2. Step 2: Convert to fraction form
    76,784.09/105,962.46 = 44,537.81/x
  3. Step 3: Cross multiply
    76,784.09x = 105,962.46 × 44,537.81
  4. Step 4: Simplify right side
    76,784.09x = 4,719,335,380.80
  5. Step 5: Solve for x
    x = 4,719,335,380.80/76,784.09
  6. Step 6: Final answer
    x = 61,462.42

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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.