Home / 80,533.52-111,147.72-47,010.32

Finding the Fourth Proportional to 80,533.52, 111,147.72 and 47,010.32

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Solution

The fourth proportional to 80,533.52, 111,147.72 and 47,010.32 is: 64,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,533.52 : 111,147.72 = 47,010.32 : x
  2. Step 2: Convert to fraction form
    80,533.52/111,147.72 = 47,010.32/x
  3. Step 3: Cross multiply
    80,533.52x = 111,147.72 × 47,010.32
  4. Step 4: Simplify right side
    80,533.52x = 5,225,089,884.47
  5. Step 5: Solve for x
    x = 5,225,089,884.47/80,533.52
  6. Step 6: Final answer
    x = 64,880.93

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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.