Home / 77,029.83-115,468.20-53,607.06

Finding the Fourth Proportional to 77,029.83, 115,468.20 and 53,607.06

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Solution

The fourth proportional to 77,029.83, 115,468.20 and 53,607.06 is: 80,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,029.83 : 115,468.20 = 53,607.06 : x
  2. Step 2: Convert to fraction form
    77,029.83/115,468.20 = 53,607.06/x
  3. Step 3: Cross multiply
    77,029.83x = 115,468.20 × 53,607.06
  4. Step 4: Simplify right side
    77,029.83x = 6,189,910,725.49
  5. Step 5: Solve for x
    x = 6,189,910,725.49/77,029.83
  6. Step 6: Final answer
    x = 80,357.32

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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.