Home / 49,461.80-68,254.05-31,554.88

Finding the Fourth Proportional to 49,461.80, 68,254.05 and 31,554.88

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Solution

The fourth proportional to 49,461.80, 68,254.05 and 31,554.88 is: 43,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.80 : 68,254.05 = 31,554.88 : x
  2. Step 2: Convert to fraction form
    49,461.80/68,254.05 = 31,554.88/x
  3. Step 3: Cross multiply
    49,461.80x = 68,254.05 × 31,554.88
  4. Step 4: Simplify right side
    49,461.80x = 2,153,748,245.63
  5. Step 5: Solve for x
    x = 2,153,748,245.63/49,461.80
  6. Step 6: Final answer
    x = 43,543.67

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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.