Home / 86,057.38-118,770.32-48,331.63

Finding the Fourth Proportional to 86,057.38, 118,770.32 and 48,331.63

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Solution

The fourth proportional to 86,057.38, 118,770.32 and 48,331.63 is: 66,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.38 : 118,770.32 = 48,331.63 : x
  2. Step 2: Convert to fraction form
    86,057.38/118,770.32 = 48,331.63/x
  3. Step 3: Cross multiply
    86,057.38x = 118,770.32 × 48,331.63
  4. Step 4: Simplify right side
    86,057.38x = 5,740,362,325.71
  5. Step 5: Solve for x
    x = 5,740,362,325.71/86,057.38
  6. Step 6: Final answer
    x = 66,703.90

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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.