Home / 63,213.47-87,234.90-34,533.53

Finding the Fourth Proportional to 63,213.47, 87,234.90 and 34,533.53

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Solution

The fourth proportional to 63,213.47, 87,234.90 and 34,533.53 is: 47,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,213.47 : 87,234.90 = 34,533.53 : x
  2. Step 2: Convert to fraction form
    63,213.47/87,234.90 = 34,533.53/x
  3. Step 3: Cross multiply
    63,213.47x = 87,234.90 × 34,533.53
  4. Step 4: Simplify right side
    63,213.47x = 3,012,529,036.20
  5. Step 5: Solve for x
    x = 3,012,529,036.20/63,213.47
  6. Step 6: Final answer
    x = 47,656.44

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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.