Home / 66,960.14-100,346.31-48,151.67

Finding the Fourth Proportional to 66,960.14, 100,346.31 and 48,151.67

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Solution

The fourth proportional to 66,960.14, 100,346.31 and 48,151.67 is: 72,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960.14 : 100,346.31 = 48,151.67 : x
  2. Step 2: Convert to fraction form
    66,960.14/100,346.31 = 48,151.67/x
  3. Step 3: Cross multiply
    66,960.14x = 100,346.31 × 48,151.67
  4. Step 4: Simplify right side
    66,960.14x = 4,831,841,903.11
  5. Step 5: Solve for x
    x = 4,831,841,903.11/66,960.14
  6. Step 6: Final answer
    x = 72,159.98

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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.