Home / 104,846.23-157,113.81-77,008.15

Finding the Fourth Proportional to 104,846.23, 157,113.81 and 77,008.15

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Solution

The fourth proportional to 104,846.23, 157,113.81 and 77,008.15 is: 115,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,846.23 : 157,113.81 = 77,008.15 : x
  2. Step 2: Convert to fraction form
    104,846.23/157,113.81 = 77,008.15/x
  3. Step 3: Cross multiply
    104,846.23x = 157,113.81 × 77,008.15
  4. Step 4: Simplify right side
    104,846.23x = 12,099,044,043.94
  5. Step 5: Solve for x
    x = 12,099,044,043.94/104,846.23
  6. Step 6: Final answer
    x = 115,397.99

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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.