Home / 51,105.16-70,525.06-29,880.20

Finding the Fourth Proportional to 51,105.16, 70,525.06 and 29,880.20

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Solution

The fourth proportional to 51,105.16, 70,525.06 and 29,880.20 is: 41,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.16 : 70,525.06 = 29,880.20 : x
  2. Step 2: Convert to fraction form
    51,105.16/70,525.06 = 29,880.20/x
  3. Step 3: Cross multiply
    51,105.16x = 70,525.06 × 29,880.20
  4. Step 4: Simplify right side
    51,105.16x = 2,107,302,897.81
  5. Step 5: Solve for x
    x = 2,107,302,897.81/51,105.16
  6. Step 6: Final answer
    x = 41,234.64

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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.