Home / 86,090.53-118,814.57-52,117.75

Finding the Fourth Proportional to 86,090.53, 118,814.57 and 52,117.75

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Solution

The fourth proportional to 86,090.53, 118,814.57 and 52,117.75 is: 71,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,090.53 : 118,814.57 = 52,117.75 : x
  2. Step 2: Convert to fraction form
    86,090.53/118,814.57 = 52,117.75/x
  3. Step 3: Cross multiply
    86,090.53x = 118,814.57 × 52,117.75
  4. Step 4: Simplify right side
    86,090.53x = 6,192,348,055.62
  5. Step 5: Solve for x
    x = 6,192,348,055.62/86,090.53
  6. Step 6: Final answer
    x = 71,928.33

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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.