Home / 86,130.06-118,825.68-63,523.32

Finding the Fourth Proportional to 86,130.06, 118,825.68 and 63,523.32

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Solution

The fourth proportional to 86,130.06, 118,825.68 and 63,523.32 is: 87,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,130.06 : 118,825.68 = 63,523.32 : x
  2. Step 2: Convert to fraction form
    86,130.06/118,825.68 = 63,523.32/x
  3. Step 3: Cross multiply
    86,130.06x = 118,825.68 × 63,523.32
  4. Step 4: Simplify right side
    86,130.06x = 7,548,201,694.86
  5. Step 5: Solve for x
    x = 7,548,201,694.86/86,130.06
  6. Step 6: Final answer
    x = 87,637.25

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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.