Home / 90,498.02-124,883.05-50,211.34

Finding the Fourth Proportional to 90,498.02, 124,883.05 and 50,211.34

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Solution

The fourth proportional to 90,498.02, 124,883.05 and 50,211.34 is: 69,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,498.02 : 124,883.05 = 50,211.34 : x
  2. Step 2: Convert to fraction form
    90,498.02/124,883.05 = 50,211.34/x
  3. Step 3: Cross multiply
    90,498.02x = 124,883.05 × 50,211.34
  4. Step 4: Simplify right side
    90,498.02x = 6,270,545,283.79
  5. Step 5: Solve for x
    x = 6,270,545,283.79/90,498.02
  6. Step 6: Final answer
    x = 69,289.31

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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.