Home / 113,989.36-157,300.41-62,999.45

Finding the Fourth Proportional to 113,989.36, 157,300.41 and 62,999.45

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Solution

The fourth proportional to 113,989.36, 157,300.41 and 62,999.45 is: 86,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,989.36 : 157,300.41 = 62,999.45 : x
  2. Step 2: Convert to fraction form
    113,989.36/157,300.41 = 62,999.45/x
  3. Step 3: Cross multiply
    113,989.36x = 157,300.41 × 62,999.45
  4. Step 4: Simplify right side
    113,989.36x = 9,909,839,314.77
  5. Step 5: Solve for x
    x = 9,909,839,314.77/113,989.36
  6. Step 6: Final answer
    x = 86,936.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.