Home / 56,218.98-77,582.01-30,725.34

Finding the Fourth Proportional to 56,218.98, 77,582.01 and 30,725.34

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Solution

The fourth proportional to 56,218.98, 77,582.01 and 30,725.34 is: 42,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.98 : 77,582.01 = 30,725.34 : x
  2. Step 2: Convert to fraction form
    56,218.98/77,582.01 = 30,725.34/x
  3. Step 3: Cross multiply
    56,218.98x = 77,582.01 × 30,725.34
  4. Step 4: Simplify right side
    56,218.98x = 2,383,733,514.51
  5. Step 5: Solve for x
    x = 2,383,733,514.51/56,218.98
  6. Step 6: Final answer
    x = 42,400.87

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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.