Home / 86,090.04-118,797.84-48,357

Finding the Fourth Proportional to 86,090.04, 118,797.84 and 48,357

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Solution

The fourth proportional to 86,090.04, 118,797.84 and 48,357 is: 66,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,090.04 : 118,797.84 = 48,357 : x
  2. Step 2: Convert to fraction form
    86,090.04/118,797.84 = 48,357/x
  3. Step 3: Cross multiply
    86,090.04x = 118,797.84 × 48,357
  4. Step 4: Simplify right side
    86,090.04x = 5,744,707,148.88
  5. Step 5: Solve for x
    x = 5,744,707,148.88/86,090.04
  6. Step 6: Final answer
    x = 66,729.06

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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.