Home / 113,756.40-170,656.47-43,630.38

Finding the Fourth Proportional to 113,756.40, 170,656.47 and 43,630.38

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Solution

The fourth proportional to 113,756.40, 170,656.47 and 43,630.38 is: 65,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.40 : 170,656.47 = 43,630.38 : x
  2. Step 2: Convert to fraction form
    113,756.40/170,656.47 = 43,630.38/x
  3. Step 3: Cross multiply
    113,756.40x = 170,656.47 × 43,630.38
  4. Step 4: Simplify right side
    113,756.40x = 7,445,806,635.56
  5. Step 5: Solve for x
    x = 7,445,806,635.56/113,756.40
  6. Step 6: Final answer
    x = 65,453.96

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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.