Home / 76,997.08-115,627.38-47,589.40

Finding the Fourth Proportional to 76,997.08, 115,627.38 and 47,589.40

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Solution

The fourth proportional to 76,997.08, 115,627.38 and 47,589.40 is: 71,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,997.08 : 115,627.38 = 47,589.40 : x
  2. Step 2: Convert to fraction form
    76,997.08/115,627.38 = 47,589.40/x
  3. Step 3: Cross multiply
    76,997.08x = 115,627.38 × 47,589.40
  4. Step 4: Simplify right side
    76,997.08x = 5,502,637,637.77
  5. Step 5: Solve for x
    x = 5,502,637,637.77/76,997.08
  6. Step 6: Final answer
    x = 71,465.54

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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.