Home / 80,847.40-111,567.78-45,037.32

Finding the Fourth Proportional to 80,847.40, 111,567.78 and 45,037.32

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Solution

The fourth proportional to 80,847.40, 111,567.78 and 45,037.32 is: 62,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,847.40 : 111,567.78 = 45,037.32 : x
  2. Step 2: Convert to fraction form
    80,847.40/111,567.78 = 45,037.32/x
  3. Step 3: Cross multiply
    80,847.40x = 111,567.78 × 45,037.32
  4. Step 4: Simplify right side
    80,847.40x = 5,024,713,809.55
  5. Step 5: Solve for x
    x = 5,024,713,809.55/80,847.40
  6. Step 6: Final answer
    x = 62,150.59

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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.