Home / 105,113.44-157,576.40-38,538.03

Finding the Fourth Proportional to 105,113.44, 157,576.40 and 38,538.03

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Solution

The fourth proportional to 105,113.44, 157,576.40 and 38,538.03 is: 57,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,113.44 : 157,576.40 = 38,538.03 : x
  2. Step 2: Convert to fraction form
    105,113.44/157,576.40 = 38,538.03/x
  3. Step 3: Cross multiply
    105,113.44x = 157,576.40 × 38,538.03
  4. Step 4: Simplify right side
    105,113.44x = 6,072,684,030.49
  5. Step 5: Solve for x
    x = 6,072,684,030.49/105,113.44
  6. Step 6: Final answer
    x = 57,772.67

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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.