Home / 47,085.84-70,628.64-15,942.96

Finding the Fourth Proportional to 47,085.84, 70,628.64 and 15,942.96

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Solution

The fourth proportional to 47,085.84, 70,628.64 and 15,942.96 is: 23,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,085.84 : 70,628.64 = 15,942.96 : x
  2. Step 2: Convert to fraction form
    47,085.84/70,628.64 = 15,942.96/x
  3. Step 3: Cross multiply
    47,085.84x = 70,628.64 × 15,942.96
  4. Step 4: Simplify right side
    47,085.84x = 1,126,029,582.37
  5. Step 5: Solve for x
    x = 1,126,029,582.37/47,085.84
  6. Step 6: Final answer
    x = 23,914.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.