Home / 80,438.64-111,007.12-44,627.32

Finding the Fourth Proportional to 80,438.64, 111,007.12 and 44,627.32

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Solution

The fourth proportional to 80,438.64, 111,007.12 and 44,627.32 is: 61,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,438.64 : 111,007.12 = 44,627.32 : x
  2. Step 2: Convert to fraction form
    80,438.64/111,007.12 = 44,627.32/x
  3. Step 3: Cross multiply
    80,438.64x = 111,007.12 × 44,627.32
  4. Step 4: Simplify right side
    80,438.64x = 4,953,950,266.52
  5. Step 5: Solve for x
    x = 4,953,950,266.52/80,438.64
  6. Step 6: Final answer
    x = 61,586.70

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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.