Home / 75,379.94-113,071.44-31,000.93

Finding the Fourth Proportional to 75,379.94, 113,071.44 and 31,000.93

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Solution

The fourth proportional to 75,379.94, 113,071.44 and 31,000.93 is: 46,502.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.94 : 113,071.44 = 31,000.93 : x
  2. Step 2: Convert to fraction form
    75,379.94/113,071.44 = 31,000.93/x
  3. Step 3: Cross multiply
    75,379.94x = 113,071.44 × 31,000.93
  4. Step 4: Simplify right side
    75,379.94x = 3,505,319,630.01
  5. Step 5: Solve for x
    x = 3,505,319,630.01/75,379.94
  6. Step 6: Final answer
    x = 46,502.02

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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.