Home / 66,973.34-100,460-52,193.32

Finding the Fourth Proportional to 66,973.34, 100,460 and 52,193.32

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Solution

The fourth proportional to 66,973.34, 100,460 and 52,193.32 is: 78,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.34 : 100,460 = 52,193.32 : x
  2. Step 2: Convert to fraction form
    66,973.34/100,460 = 52,193.32/x
  3. Step 3: Cross multiply
    66,973.34x = 100,460 × 52,193.32
  4. Step 4: Simplify right side
    66,973.34x = 5,243,340,927.20
  5. Step 5: Solve for x
    x = 5,243,340,927.20/66,973.34
  6. Step 6: Final answer
    x = 78,289.97

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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.