Home / 90,328.88-124,644.08-50,041.60

Finding the Fourth Proportional to 90,328.88, 124,644.08 and 50,041.60

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Solution

The fourth proportional to 90,328.88, 124,644.08 and 50,041.60 is: 69,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,328.88 : 124,644.08 = 50,041.60 : x
  2. Step 2: Convert to fraction form
    90,328.88/124,644.08 = 50,041.60/x
  3. Step 3: Cross multiply
    90,328.88x = 124,644.08 × 50,041.60
  4. Step 4: Simplify right side
    90,328.88x = 6,237,389,193.73
  5. Step 5: Solve for x
    x = 6,237,389,193.73/90,328.88
  6. Step 6: Final answer
    x = 69,051.99

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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.