Home / 67,931.84-101,749.08-48,150.38

Finding the Fourth Proportional to 67,931.84, 101,749.08 and 48,150.38

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Solution

The fourth proportional to 67,931.84, 101,749.08 and 48,150.38 is: 72,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,931.84 : 101,749.08 = 48,150.38 : x
  2. Step 2: Convert to fraction form
    67,931.84/101,749.08 = 48,150.38/x
  3. Step 3: Cross multiply
    67,931.84x = 101,749.08 × 48,150.38
  4. Step 4: Simplify right side
    67,931.84x = 4,899,256,866.65
  5. Step 5: Solve for x
    x = 4,899,256,866.65/67,931.84
  6. Step 6: Final answer
    x = 72,120.18

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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.