Home / 58,181.56-80,337.90-47,428.12

Finding the Fourth Proportional to 58,181.56, 80,337.90 and 47,428.12

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Solution

The fourth proportional to 58,181.56, 80,337.90 and 47,428.12 is: 65,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.56 : 80,337.90 = 47,428.12 : x
  2. Step 2: Convert to fraction form
    58,181.56/80,337.90 = 47,428.12/x
  3. Step 3: Cross multiply
    58,181.56x = 80,337.90 × 47,428.12
  4. Step 4: Simplify right side
    58,181.56x = 3,810,275,561.75
  5. Step 5: Solve for x
    x = 3,810,275,561.75/58,181.56
  6. Step 6: Final answer
    x = 65,489.40

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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.