Home / 72,913.94-100,631.66-41,085.80

Finding the Fourth Proportional to 72,913.94, 100,631.66 and 41,085.80

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Solution

The fourth proportional to 72,913.94, 100,631.66 and 41,085.80 is: 56,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,913.94 : 100,631.66 = 41,085.80 : x
  2. Step 2: Convert to fraction form
    72,913.94/100,631.66 = 41,085.80/x
  3. Step 3: Cross multiply
    72,913.94x = 100,631.66 × 41,085.80
  4. Step 4: Simplify right side
    72,913.94x = 4,134,531,547.84
  5. Step 5: Solve for x
    x = 4,134,531,547.84/72,913.94
  6. Step 6: Final answer
    x = 56,704.27

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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.