Home / 64,852.85-89,483.27-39,372.62

Finding the Fourth Proportional to 64,852.85, 89,483.27 and 39,372.62

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Solution

The fourth proportional to 64,852.85, 89,483.27 and 39,372.62 is: 54,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,852.85 : 89,483.27 = 39,372.62 : x
  2. Step 2: Convert to fraction form
    64,852.85/89,483.27 = 39,372.62/x
  3. Step 3: Cross multiply
    64,852.85x = 89,483.27 × 39,372.62
  4. Step 4: Simplify right side
    64,852.85x = 3,523,190,141.79
  5. Step 5: Solve for x
    x = 3,523,190,141.79/64,852.85
  6. Step 6: Final answer
    x = 54,325.91

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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.