Home / 76,514.63-105,591.15-42,525.27

Finding the Fourth Proportional to 76,514.63, 105,591.15 and 42,525.27

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Solution

The fourth proportional to 76,514.63, 105,591.15 and 42,525.27 is: 58,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,514.63 : 105,591.15 = 42,525.27 : x
  2. Step 2: Convert to fraction form
    76,514.63/105,591.15 = 42,525.27/x
  3. Step 3: Cross multiply
    76,514.63x = 105,591.15 × 42,525.27
  4. Step 4: Simplify right side
    76,514.63x = 4,490,292,163.36
  5. Step 5: Solve for x
    x = 4,490,292,163.36/76,514.63
  6. Step 6: Final answer
    x = 58,685.41

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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.