Home / 88,186.08-121,698.94-47,899.38

Finding the Fourth Proportional to 88,186.08, 121,698.94 and 47,899.38

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Solution

The fourth proportional to 88,186.08, 121,698.94 and 47,899.38 is: 66,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.08 : 121,698.94 = 47,899.38 : x
  2. Step 2: Convert to fraction form
    88,186.08/121,698.94 = 47,899.38/x
  3. Step 3: Cross multiply
    88,186.08x = 121,698.94 × 47,899.38
  4. Step 4: Simplify right side
    88,186.08x = 5,829,303,772.66
  5. Step 5: Solve for x
    x = 5,829,303,772.66/88,186.08
  6. Step 6: Final answer
    x = 66,102.31

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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.