Home / 66,466.37-99,642.96-28,999.01

Finding the Fourth Proportional to 66,466.37, 99,642.96 and 28,999.01

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Solution

The fourth proportional to 66,466.37, 99,642.96 and 28,999.01 is: 43,473.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.37 : 99,642.96 = 28,999.01 : x
  2. Step 2: Convert to fraction form
    66,466.37/99,642.96 = 28,999.01/x
  3. Step 3: Cross multiply
    66,466.37x = 99,642.96 × 28,999.01
  4. Step 4: Simplify right side
    66,466.37x = 2,889,547,442.58
  5. Step 5: Solve for x
    x = 2,889,547,442.58/66,466.37
  6. Step 6: Final answer
    x = 43,473.82

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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.