Home / 66,730.96-91,598.15-59,008.06

Finding the Fourth Proportional to 66,730.96, 91,598.15 and 59,008.06

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Solution

The fourth proportional to 66,730.96, 91,598.15 and 59,008.06 is: 80,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730.96 : 91,598.15 = 59,008.06 : x
  2. Step 2: Convert to fraction form
    66,730.96/91,598.15 = 59,008.06/x
  3. Step 3: Cross multiply
    66,730.96x = 91,598.15 × 59,008.06
  4. Step 4: Simplify right side
    66,730.96x = 5,405,029,131.09
  5. Step 5: Solve for x
    x = 5,405,029,131.09/66,730.96
  6. Step 6: Final answer
    x = 80,997.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.