Home / 65,485.32-90,298.23-44,227.68

Finding the Fourth Proportional to 65,485.32, 90,298.23 and 44,227.68

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Solution

The fourth proportional to 65,485.32, 90,298.23 and 44,227.68 is: 60,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,485.32 : 90,298.23 = 44,227.68 : x
  2. Step 2: Convert to fraction form
    65,485.32/90,298.23 = 44,227.68/x
  3. Step 3: Cross multiply
    65,485.32x = 90,298.23 × 44,227.68
  4. Step 4: Simplify right side
    65,485.32x = 3,993,681,221.01
  5. Step 5: Solve for x
    x = 3,993,681,221.01/65,485.32
  6. Step 6: Final answer
    x = 60,985.90

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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.