Home / 77,987.26-116,895.23-30,588.09

Finding the Fourth Proportional to 77,987.26, 116,895.23 and 30,588.09

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Solution

The fourth proportional to 77,987.26, 116,895.23 and 30,588.09 is: 45,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,987.26 : 116,895.23 = 30,588.09 : x
  2. Step 2: Convert to fraction form
    77,987.26/116,895.23 = 30,588.09/x
  3. Step 3: Cross multiply
    77,987.26x = 116,895.23 × 30,588.09
  4. Step 4: Simplify right side
    77,987.26x = 3,575,601,815.81
  5. Step 5: Solve for x
    x = 3,575,601,815.81/77,987.26
  6. Step 6: Final answer
    x = 45,848.54

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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.