Home / 58,442.34-80,613.03-40,530.81

Finding the Fourth Proportional to 58,442.34, 80,613.03 and 40,530.81

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Solution

The fourth proportional to 58,442.34, 80,613.03 and 40,530.81 is: 55,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.34 : 80,613.03 = 40,530.81 : x
  2. Step 2: Convert to fraction form
    58,442.34/80,613.03 = 40,530.81/x
  3. Step 3: Cross multiply
    58,442.34x = 80,613.03 × 40,530.81
  4. Step 4: Simplify right side
    58,442.34x = 3,267,311,402.45
  5. Step 5: Solve for x
    x = 3,267,311,402.45/58,442.34
  6. Step 6: Final answer
    x = 55,906.58

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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.