Home / 86,539.20-119,416.86-48,295.32

Finding the Fourth Proportional to 86,539.20, 119,416.86 and 48,295.32

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Solution

The fourth proportional to 86,539.20, 119,416.86 and 48,295.32 is: 66,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,539.20 : 119,416.86 = 48,295.32 : x
  2. Step 2: Convert to fraction form
    86,539.20/119,416.86 = 48,295.32/x
  3. Step 3: Cross multiply
    86,539.20x = 119,416.86 × 48,295.32
  4. Step 4: Simplify right side
    86,539.20x = 5,767,275,467.10
  5. Step 5: Solve for x
    x = 5,767,275,467.10/86,539.20
  6. Step 6: Final answer
    x = 66,643.50

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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.