Home / 90,317.06-124,638.54-50,031.44

Finding the Fourth Proportional to 90,317.06, 124,638.54 and 50,031.44

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Solution

The fourth proportional to 90,317.06, 124,638.54 and 50,031.44 is: 69,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,317.06 : 124,638.54 = 50,031.44 : x
  2. Step 2: Convert to fraction form
    90,317.06/124,638.54 = 50,031.44/x
  3. Step 3: Cross multiply
    90,317.06x = 124,638.54 × 50,031.44
  4. Step 4: Simplify right side
    90,317.06x = 6,235,845,635.70
  5. Step 5: Solve for x
    x = 6,235,845,635.70/90,317.06
  6. Step 6: Final answer
    x = 69,043.94

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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.