Home / 57,654.08-79,562.48-31,158.08

Finding the Fourth Proportional to 57,654.08, 79,562.48 and 31,158.08

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Solution

The fourth proportional to 57,654.08, 79,562.48 and 31,158.08 is: 42,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,654.08 : 79,562.48 = 31,158.08 : x
  2. Step 2: Convert to fraction form
    57,654.08/79,562.48 = 31,158.08/x
  3. Step 3: Cross multiply
    57,654.08x = 79,562.48 × 31,158.08
  4. Step 4: Simplify right side
    57,654.08x = 2,479,014,116.84
  5. Step 5: Solve for x
    x = 2,479,014,116.84/57,654.08
  6. Step 6: Final answer
    x = 42,998.07

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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.