Home / 86,501.30-119,194.58-63,804.32

Finding the Fourth Proportional to 86,501.30, 119,194.58 and 63,804.32

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Solution

The fourth proportional to 86,501.30, 119,194.58 and 63,804.32 is: 87,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.30 : 119,194.58 = 63,804.32 : x
  2. Step 2: Convert to fraction form
    86,501.30/119,194.58 = 63,804.32/x
  3. Step 3: Cross multiply
    86,501.30x = 119,194.58 × 63,804.32
  4. Step 4: Simplify right side
    86,501.30x = 7,605,129,124.59
  5. Step 5: Solve for x
    x = 7,605,129,124.59/86,501.30
  6. Step 6: Final answer
    x = 87,919.25

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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.