Home / 66,509.18-91,782.93-36,295.17

Finding the Fourth Proportional to 66,509.18, 91,782.93 and 36,295.17

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Solution

The fourth proportional to 66,509.18, 91,782.93 and 36,295.17 is: 50,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,509.18 : 91,782.93 = 36,295.17 : x
  2. Step 2: Convert to fraction form
    66,509.18/91,782.93 = 36,295.17/x
  3. Step 3: Cross multiply
    66,509.18x = 91,782.93 × 36,295.17
  4. Step 4: Simplify right side
    66,509.18x = 3,331,277,253.57
  5. Step 5: Solve for x
    x = 3,331,277,253.57/66,509.18
  6. Step 6: Final answer
    x = 50,087.48

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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.