Home / 70,738.65-97,636.38-40,541.67

Finding the Fourth Proportional to 70,738.65, 97,636.38 and 40,541.67

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Solution

The fourth proportional to 70,738.65, 97,636.38 and 40,541.67 is: 55,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.65 : 97,636.38 = 40,541.67 : x
  2. Step 2: Convert to fraction form
    70,738.65/97,636.38 = 40,541.67/x
  3. Step 3: Cross multiply
    70,738.65x = 97,636.38 × 40,541.67
  4. Step 4: Simplify right side
    70,738.65x = 3,958,341,897.95
  5. Step 5: Solve for x
    x = 3,958,341,897.95/70,738.65
  6. Step 6: Final answer
    x = 55,957.27

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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.