Home / 57,514.86-79,364.92-42,415.64

Finding the Fourth Proportional to 57,514.86, 79,364.92 and 42,415.64

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Solution

The fourth proportional to 57,514.86, 79,364.92 and 42,415.64 is: 58,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.86 : 79,364.92 = 42,415.64 : x
  2. Step 2: Convert to fraction form
    57,514.86/79,364.92 = 42,415.64/x
  3. Step 3: Cross multiply
    57,514.86x = 79,364.92 × 42,415.64
  4. Step 4: Simplify right side
    57,514.86x = 3,366,313,875.35
  5. Step 5: Solve for x
    x = 3,366,313,875.35/57,514.86
  6. Step 6: Final answer
    x = 58,529.46

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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.