Home / 81,533.96-112,522.18-47,080.14

Finding the Fourth Proportional to 81,533.96, 112,522.18 and 47,080.14

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Solution

The fourth proportional to 81,533.96, 112,522.18 and 47,080.14 is: 64,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,533.96 : 112,522.18 = 47,080.14 : x
  2. Step 2: Convert to fraction form
    81,533.96/112,522.18 = 47,080.14/x
  3. Step 3: Cross multiply
    81,533.96x = 112,522.18 × 47,080.14
  4. Step 4: Simplify right side
    81,533.96x = 5,297,560,128.16
  5. Step 5: Solve for x
    x = 5,297,560,128.16/81,533.96
  6. Step 6: Final answer
    x = 64,973.67

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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.