Home / 76,514.76-105,588.22-42,522.36

Finding the Fourth Proportional to 76,514.76, 105,588.22 and 42,522.36

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Solution

The fourth proportional to 76,514.76, 105,588.22 and 42,522.36 is: 58,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,514.76 : 105,588.22 = 42,522.36 : x
  2. Step 2: Convert to fraction form
    76,514.76/105,588.22 = 42,522.36/x
  3. Step 3: Cross multiply
    76,514.76x = 105,588.22 × 42,522.36
  4. Step 4: Simplify right side
    76,514.76x = 4,489,860,302.60
  5. Step 5: Solve for x
    x = 4,489,860,302.60/76,514.76
  6. Step 6: Final answer
    x = 58,679.66

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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.