Home / 50,759.37-75,973.46-45,909.45

Finding the Fourth Proportional to 50,759.37, 75,973.46 and 45,909.45

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Solution

The fourth proportional to 50,759.37, 75,973.46 and 45,909.45 is: 68,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,759.37 : 75,973.46 = 45,909.45 : x
  2. Step 2: Convert to fraction form
    50,759.37/75,973.46 = 45,909.45/x
  3. Step 3: Cross multiply
    50,759.37x = 75,973.46 × 45,909.45
  4. Step 4: Simplify right side
    50,759.37x = 3,487,899,533.65
  5. Step 5: Solve for x
    x = 3,487,899,533.65/50,759.37
  6. Step 6: Final answer
    x = 68,714.40

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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.