Home / 90,739.01-125,219.95-50,452.34

Finding the Fourth Proportional to 90,739.01, 125,219.95 and 50,452.34

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Solution

The fourth proportional to 90,739.01, 125,219.95 and 50,452.34 is: 69,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.01 : 125,219.95 = 50,452.34 : x
  2. Step 2: Convert to fraction form
    90,739.01/125,219.95 = 50,452.34/x
  3. Step 3: Cross multiply
    90,739.01x = 125,219.95 × 50,452.34
  4. Step 4: Simplify right side
    90,739.01x = 6,317,639,492.18
  5. Step 5: Solve for x
    x = 6,317,639,492.18/90,739.01
  6. Step 6: Final answer
    x = 69,624.29

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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.