Home / 86,571.06-119,467.59-48,328.40

Finding the Fourth Proportional to 86,571.06, 119,467.59 and 48,328.40

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Solution

The fourth proportional to 86,571.06, 119,467.59 and 48,328.40 is: 66,692.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,571.06 : 119,467.59 = 48,328.40 : x
  2. Step 2: Convert to fraction form
    86,571.06/119,467.59 = 48,328.40/x
  3. Step 3: Cross multiply
    86,571.06x = 119,467.59 × 48,328.40
  4. Step 4: Simplify right side
    86,571.06x = 5,773,676,879.22
  5. Step 5: Solve for x
    x = 5,773,676,879.22/86,571.06
  6. Step 6: Final answer
    x = 66,692.92

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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.