Home / 66,600.48-91,813.32-41,089.80

Finding the Fourth Proportional to 66,600.48, 91,813.32 and 41,089.80

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Solution

The fourth proportional to 66,600.48, 91,813.32 and 41,089.80 is: 56,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.48 : 91,813.32 = 41,089.80 : x
  2. Step 2: Convert to fraction form
    66,600.48/91,813.32 = 41,089.80/x
  3. Step 3: Cross multiply
    66,600.48x = 91,813.32 × 41,089.80
  4. Step 4: Simplify right side
    66,600.48x = 3,772,590,956.14
  5. Step 5: Solve for x
    x = 3,772,590,956.14/66,600.48
  6. Step 6: Final answer
    x = 56,645.10

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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.