Home / 86,647.86-119,577.33-48,405.42

Finding the Fourth Proportional to 86,647.86, 119,577.33 and 48,405.42

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Solution

The fourth proportional to 86,647.86, 119,577.33 and 48,405.42 is: 66,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,647.86 : 119,577.33 = 48,405.42 : x
  2. Step 2: Convert to fraction form
    86,647.86/119,577.33 = 48,405.42/x
  3. Step 3: Cross multiply
    86,647.86x = 119,577.33 × 48,405.42
  4. Step 4: Simplify right side
    86,647.86x = 5,788,190,881.13
  5. Step 5: Solve for x
    x = 5,788,190,881.13/86,647.86
  6. Step 6: Final answer
    x = 66,801.31

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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.