Home / 45,842.86-68,750.29-31,702.24

Finding the Fourth Proportional to 45,842.86, 68,750.29 and 31,702.24

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Solution

The fourth proportional to 45,842.86, 68,750.29 and 31,702.24 is: 47,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,842.86 : 68,750.29 = 31,702.24 : x
  2. Step 2: Convert to fraction form
    45,842.86/68,750.29 = 31,702.24/x
  3. Step 3: Cross multiply
    45,842.86x = 68,750.29 × 31,702.24
  4. Step 4: Simplify right side
    45,842.86x = 2,179,538,021.66
  5. Step 5: Solve for x
    x = 2,179,538,021.66/45,842.86
  6. Step 6: Final answer
    x = 47,543.67

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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.