Home / 65,550.42-98,325.73-28,086.20

Finding the Fourth Proportional to 65,550.42, 98,325.73 and 28,086.20

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Solution

The fourth proportional to 65,550.42, 98,325.73 and 28,086.20 is: 42,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.42 : 98,325.73 = 28,086.20 : x
  2. Step 2: Convert to fraction form
    65,550.42/98,325.73 = 28,086.20/x
  3. Step 3: Cross multiply
    65,550.42x = 98,325.73 × 28,086.20
  4. Step 4: Simplify right side
    65,550.42x = 2,761,596,117.93
  5. Step 5: Solve for x
    x = 2,761,596,117.93/65,550.42
  6. Step 6: Final answer
    x = 42,129.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.