Home / 77,087.48-115,628.58-32,685.64

Finding the Fourth Proportional to 77,087.48, 115,628.58 and 32,685.64

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Solution

The fourth proportional to 77,087.48, 115,628.58 and 32,685.64 is: 49,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.48 : 115,628.58 = 32,685.64 : x
  2. Step 2: Convert to fraction form
    77,087.48/115,628.58 = 32,685.64/x
  3. Step 3: Cross multiply
    77,087.48x = 115,628.58 × 32,685.64
  4. Step 4: Simplify right side
    77,087.48x = 3,779,394,139.59
  5. Step 5: Solve for x
    x = 3,779,394,139.59/77,087.48
  6. Step 6: Final answer
    x = 49,027.34

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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.