Home / 89,657.31-134,447.07-30,477.09

Finding the Fourth Proportional to 89,657.31, 134,447.07 and 30,477.09

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Solution

The fourth proportional to 89,657.31, 134,447.07 and 30,477.09 is: 45,702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.31 : 134,447.07 = 30,477.09 : x
  2. Step 2: Convert to fraction form
    89,657.31/134,447.07 = 30,477.09/x
  3. Step 3: Cross multiply
    89,657.31x = 134,447.07 × 30,477.09
  4. Step 4: Simplify right side
    89,657.31x = 4,097,555,452.63
  5. Step 5: Solve for x
    x = 4,097,555,452.63/89,657.31
  6. Step 6: Final answer
    x = 45,702.41

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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.