Home / 90,361.65-124,693.43-50,073.06

Finding the Fourth Proportional to 90,361.65, 124,693.43 and 50,073.06

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Solution

The fourth proportional to 90,361.65, 124,693.43 and 50,073.06 is: 69,097.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.65 : 124,693.43 = 50,073.06 : x
  2. Step 2: Convert to fraction form
    90,361.65/124,693.43 = 50,073.06/x
  3. Step 3: Cross multiply
    90,361.65x = 124,693.43 × 50,073.06
  4. Step 4: Simplify right side
    90,361.65x = 6,243,781,602.00
  5. Step 5: Solve for x
    x = 6,243,781,602.00/90,361.65
  6. Step 6: Final answer
    x = 69,097.69

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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.