Home / 90,137.56-124,386.08-49,301.03

Finding the Fourth Proportional to 90,137.56, 124,386.08 and 49,301.03

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Solution

The fourth proportional to 90,137.56, 124,386.08 and 49,301.03 is: 68,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,137.56 : 124,386.08 = 49,301.03 : x
  2. Step 2: Convert to fraction form
    90,137.56/124,386.08 = 49,301.03/x
  3. Step 3: Cross multiply
    90,137.56x = 124,386.08 × 49,301.03
  4. Step 4: Simplify right side
    90,137.56x = 6,132,361,853.60
  5. Step 5: Solve for x
    x = 6,132,361,853.60/90,137.56
  6. Step 6: Final answer
    x = 68,033.37

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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.