Home / 89,467.32-123,465.05-49,181.34

Finding the Fourth Proportional to 89,467.32, 123,465.05 and 49,181.34

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Solution

The fourth proportional to 89,467.32, 123,465.05 and 49,181.34 is: 67,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,467.32 : 123,465.05 = 49,181.34 : x
  2. Step 2: Convert to fraction form
    89,467.32/123,465.05 = 49,181.34/x
  3. Step 3: Cross multiply
    89,467.32x = 123,465.05 × 49,181.34
  4. Step 4: Simplify right side
    89,467.32x = 6,072,176,602.17
  5. Step 5: Solve for x
    x = 6,072,176,602.17/89,467.32
  6. Step 6: Final answer
    x = 67,870.33

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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.