Home / 66,065.09-99,097.83-46,431.50

Finding the Fourth Proportional to 66,065.09, 99,097.83 and 46,431.50

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Solution

The fourth proportional to 66,065.09, 99,097.83 and 46,431.50 is: 69,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.09 : 99,097.83 = 46,431.50 : x
  2. Step 2: Convert to fraction form
    66,065.09/99,097.83 = 46,431.50/x
  3. Step 3: Cross multiply
    66,065.09x = 99,097.83 × 46,431.50
  4. Step 4: Simplify right side
    66,065.09x = 4,601,260,398.16
  5. Step 5: Solve for x
    x = 4,601,260,398.16/66,065.09
  6. Step 6: Final answer
    x = 69,647.38

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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.