Home / 77,679.42-116,518.32-25,087.74

Finding the Fourth Proportional to 77,679.42, 116,518.32 and 25,087.74

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Solution

The fourth proportional to 77,679.42, 116,518.32 and 25,087.74 is: 37,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,679.42 : 116,518.32 = 25,087.74 : x
  2. Step 2: Convert to fraction form
    77,679.42/116,518.32 = 25,087.74/x
  3. Step 3: Cross multiply
    77,679.42x = 116,518.32 × 25,087.74
  4. Step 4: Simplify right side
    77,679.42x = 2,923,181,317.40
  5. Step 5: Solve for x
    x = 2,923,181,317.40/77,679.42
  6. Step 6: Final answer
    x = 37,631.35

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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.