Home / 90,202.90-124,476.93-49,918.36

Finding the Fourth Proportional to 90,202.90, 124,476.93 and 49,918.36

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Solution

The fourth proportional to 90,202.90, 124,476.93 and 49,918.36 is: 68,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.90 : 124,476.93 = 49,918.36 : x
  2. Step 2: Convert to fraction form
    90,202.90/124,476.93 = 49,918.36/x
  3. Step 3: Cross multiply
    90,202.90x = 124,476.93 × 49,918.36
  4. Step 4: Simplify right side
    90,202.90x = 6,213,683,670.70
  5. Step 5: Solve for x
    x = 6,213,683,670.70/90,202.90
  6. Step 6: Final answer
    x = 68,885.63

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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.