Home / 57,861.30-86,597.55-40,365.30

Finding the Fourth Proportional to 57,861.30, 86,597.55 and 40,365.30

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Solution

The fourth proportional to 57,861.30, 86,597.55 and 40,365.30 is: 60,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.30 : 86,597.55 = 40,365.30 : x
  2. Step 2: Convert to fraction form
    57,861.30/86,597.55 = 40,365.30/x
  3. Step 3: Cross multiply
    57,861.30x = 86,597.55 × 40,365.30
  4. Step 4: Simplify right side
    57,861.30x = 3,495,536,085.02
  5. Step 5: Solve for x
    x = 3,495,536,085.02/57,861.30
  6. Step 6: Final answer
    x = 60,412.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.