Home / 104,013.15-155,915.57-51,460.83

Finding the Fourth Proportional to 104,013.15, 155,915.57 and 51,460.83

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Solution

The fourth proportional to 104,013.15, 155,915.57 and 51,460.83 is: 77,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,013.15 : 155,915.57 = 51,460.83 : x
  2. Step 2: Convert to fraction form
    104,013.15/155,915.57 = 51,460.83/x
  3. Step 3: Cross multiply
    104,013.15x = 155,915.57 × 51,460.83
  4. Step 4: Simplify right side
    104,013.15x = 8,023,544,384.82
  5. Step 5: Solve for x
    x = 8,023,544,384.82/104,013.15
  6. Step 6: Final answer
    x = 77,139.71

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1.5x scale

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.