Home / 81,583.60-112,584.08-45,285.02

Finding the Fourth Proportional to 81,583.60, 112,584.08 and 45,285.02

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Solution

The fourth proportional to 81,583.60, 112,584.08 and 45,285.02 is: 62,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,583.60 : 112,584.08 = 45,285.02 : x
  2. Step 2: Convert to fraction form
    81,583.60/112,584.08 = 45,285.02/x
  3. Step 3: Cross multiply
    81,583.60x = 112,584.08 × 45,285.02
  4. Step 4: Simplify right side
    81,583.60x = 5,098,371,525.14
  5. Step 5: Solve for x
    x = 5,098,371,525.14/81,583.60
  6. Step 6: Final answer
    x = 62,492.60

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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.