Home / 64,841.35-89,503.38-37,992.55

Finding the Fourth Proportional to 64,841.35, 89,503.38 and 37,992.55

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Solution

The fourth proportional to 64,841.35, 89,503.38 and 37,992.55 is: 52,442.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.35 : 89,503.38 = 37,992.55 : x
  2. Step 2: Convert to fraction form
    64,841.35/89,503.38 = 37,992.55/x
  3. Step 3: Cross multiply
    64,841.35x = 89,503.38 × 37,992.55
  4. Step 4: Simplify right side
    64,841.35x = 3,400,461,192.30
  5. Step 5: Solve for x
    x = 3,400,461,192.30/64,841.35
  6. Step 6: Final answer
    x = 52,442.79

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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.