Home / 104,370.15-156,428.87-48,133.47

Finding the Fourth Proportional to 104,370.15, 156,428.87 and 48,133.47

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Solution

The fourth proportional to 104,370.15, 156,428.87 and 48,133.47 is: 72,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,370.15 : 156,428.87 = 48,133.47 : x
  2. Step 2: Convert to fraction form
    104,370.15/156,428.87 = 48,133.47/x
  3. Step 3: Cross multiply
    104,370.15x = 156,428.87 × 48,133.47
  4. Step 4: Simplify right side
    104,370.15x = 7,529,464,080.61
  5. Step 5: Solve for x
    x = 7,529,464,080.61/104,370.15
  6. Step 6: Final answer
    x = 72,141.93

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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.