Home / 86,625.37-119,539.65-54,377.29

Finding the Fourth Proportional to 86,625.37, 119,539.65 and 54,377.29

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Solution

The fourth proportional to 86,625.37, 119,539.65 and 54,377.29 is: 75,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.37 : 119,539.65 = 54,377.29 : x
  2. Step 2: Convert to fraction form
    86,625.37/119,539.65 = 54,377.29/x
  3. Step 3: Cross multiply
    86,625.37x = 119,539.65 × 54,377.29
  4. Step 4: Simplify right side
    86,625.37x = 6,500,242,214.55
  5. Step 5: Solve for x
    x = 6,500,242,214.55/86,625.37
  6. Step 6: Final answer
    x = 75,038.55

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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.