Home / 90,361.40-124,693.09-50,072.81

Finding the Fourth Proportional to 90,361.40, 124,693.09 and 50,072.81

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Solution

The fourth proportional to 90,361.40, 124,693.09 and 50,072.81 is: 69,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.40 : 124,693.09 = 50,072.81 : x
  2. Step 2: Convert to fraction form
    90,361.40/124,693.09 = 50,072.81/x
  3. Step 3: Cross multiply
    90,361.40x = 124,693.09 × 50,072.81
  4. Step 4: Simplify right side
    90,361.40x = 6,243,732,655.24
  5. Step 5: Solve for x
    x = 6,243,732,655.24/90,361.40
  6. Step 6: Final answer
    x = 69,097.35

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1.5x scale

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.