Home / 83,539.90-115,285.02-45,814.96

Finding the Fourth Proportional to 83,539.90, 115,285.02 and 45,814.96

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Solution

The fourth proportional to 83,539.90, 115,285.02 and 45,814.96 is: 63,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.90 : 115,285.02 = 45,814.96 : x
  2. Step 2: Convert to fraction form
    83,539.90/115,285.02 = 45,814.96/x
  3. Step 3: Cross multiply
    83,539.90x = 115,285.02 × 45,814.96
  4. Step 4: Simplify right side
    83,539.90x = 5,281,778,579.90
  5. Step 5: Solve for x
    x = 5,281,778,579.90/83,539.90
  6. Step 6: Final answer
    x = 63,224.62

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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.