Home / 89,455.86-123,450.48-49,171.32

Finding the Fourth Proportional to 89,455.86, 123,450.48 and 49,171.32

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Solution

The fourth proportional to 89,455.86, 123,450.48 and 49,171.32 is: 67,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455.86 : 123,450.48 = 49,171.32 : x
  2. Step 2: Convert to fraction form
    89,455.86/123,450.48 = 49,171.32/x
  3. Step 3: Cross multiply
    89,455.86x = 123,450.48 × 49,171.32
  4. Step 4: Simplify right side
    89,455.86x = 6,070,223,056.23
  5. Step 5: Solve for x
    x = 6,070,223,056.23/89,455.86
  6. Step 6: Final answer
    x = 67,857.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.