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Finding the Fourth Proportional to 66,070.00, 91,176.65 and 35,855.32

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Solution

The fourth proportional to 66,070.00, 91,176.65 and 35,855.32 is: 49,480.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,070.00 : 91,176.65 = 35,855.32 : x
  2. Step 2: Convert to fraction form
    66,070.00/91,176.65 = 35,855.32/x
  3. Step 3: Cross multiply
    66,070.00x = 91,176.65 × 35,855.32
  4. Step 4: Simplify right side
    66,070.00x = 3,269,168,318.59
  5. Step 5: Solve for x
    x = 3,269,168,318.59/66,070.00
  6. Step 6: Final answer
    x = 49,480.38

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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.