Home / 86,628.16-119,511.48-52,637.32

Finding the Fourth Proportional to 86,628.16, 119,511.48 and 52,637.32

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Solution

The fourth proportional to 86,628.16, 119,511.48 and 52,637.32 is: 72,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.16 : 119,511.48 = 52,637.32 : x
  2. Step 2: Convert to fraction form
    86,628.16/119,511.48 = 52,637.32/x
  3. Step 3: Cross multiply
    86,628.16x = 119,511.48 × 52,637.32
  4. Step 4: Simplify right side
    86,628.16x = 6,290,764,016.43
  5. Step 5: Solve for x
    x = 6,290,764,016.43/86,628.16
  6. Step 6: Final answer
    x = 72,618.00

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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.