Home / 66,089.37-99,149.66-21,716.25

Finding the Fourth Proportional to 66,089.37, 99,149.66 and 21,716.25

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Solution

The fourth proportional to 66,089.37, 99,149.66 and 21,716.25 is: 32,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.37 : 99,149.66 = 21,716.25 : x
  2. Step 2: Convert to fraction form
    66,089.37/99,149.66 = 21,716.25/x
  3. Step 3: Cross multiply
    66,089.37x = 99,149.66 × 21,716.25
  4. Step 4: Simplify right side
    66,089.37x = 2,153,158,695.39
  5. Step 5: Solve for x
    x = 2,153,158,695.39/66,089.37
  6. Step 6: Final answer
    x = 32,579.50

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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.