Home / 70,846.39-97,771.04-40,640.23

Finding the Fourth Proportional to 70,846.39, 97,771.04 and 40,640.23

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Solution

The fourth proportional to 70,846.39, 97,771.04 and 40,640.23 is: 56,085.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,846.39 : 97,771.04 = 40,640.23 : x
  2. Step 2: Convert to fraction form
    70,846.39/97,771.04 = 40,640.23/x
  3. Step 3: Cross multiply
    70,846.39x = 97,771.04 × 40,640.23
  4. Step 4: Simplify right side
    70,846.39x = 3,973,437,552.94
  5. Step 5: Solve for x
    x = 3,973,437,552.94/70,846.39
  6. Step 6: Final answer
    x = 56,085.25

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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.