Home / 80,442.23-111,023.60-44,643.74

Finding the Fourth Proportional to 80,442.23, 111,023.60 and 44,643.74

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Solution

The fourth proportional to 80,442.23, 111,023.60 and 44,643.74 is: 61,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.23 : 111,023.60 = 44,643.74 : x
  2. Step 2: Convert to fraction form
    80,442.23/111,023.60 = 44,643.74/x
  3. Step 3: Cross multiply
    80,442.23x = 111,023.60 × 44,643.74
  4. Step 4: Simplify right side
    80,442.23x = 4,956,507,953.93
  5. Step 5: Solve for x
    x = 4,956,507,953.93/80,442.23
  6. Step 6: Final answer
    x = 61,615.75

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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.