Home / 66,087.10-99,130.83-46,453.48

Finding the Fourth Proportional to 66,087.10, 99,130.83 and 46,453.48

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Solution

The fourth proportional to 66,087.10, 99,130.83 and 46,453.48 is: 69,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,087.10 : 99,130.83 = 46,453.48 : x
  2. Step 2: Convert to fraction form
    66,087.10/99,130.83 = 46,453.48/x
  3. Step 3: Cross multiply
    66,087.10x = 99,130.83 × 46,453.48
  4. Step 4: Simplify right side
    66,087.10x = 4,604,972,028.79
  5. Step 5: Solve for x
    x = 4,604,972,028.79/66,087.10
  6. Step 6: Final answer
    x = 69,680.35

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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.