Home / 86,514.51-129,771.54-33,887.19

Finding the Fourth Proportional to 86,514.51, 129,771.54 and 33,887.19

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Solution

The fourth proportional to 86,514.51, 129,771.54 and 33,887.19 is: 50,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,514.51 : 129,771.54 = 33,887.19 : x
  2. Step 2: Convert to fraction form
    86,514.51/129,771.54 = 33,887.19/x
  3. Step 3: Cross multiply
    86,514.51x = 129,771.54 × 33,887.19
  4. Step 4: Simplify right side
    86,514.51x = 4,397,592,832.57
  5. Step 5: Solve for x
    x = 4,397,592,832.57/86,514.51
  6. Step 6: Final answer
    x = 50,830.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.