Home / 81,097.02-111,812.67-62,000.46

Finding the Fourth Proportional to 81,097.02, 111,812.67 and 62,000.46

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Solution

The fourth proportional to 81,097.02, 111,812.67 and 62,000.46 is: 85,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,097.02 : 111,812.67 = 62,000.46 : x
  2. Step 2: Convert to fraction form
    81,097.02/111,812.67 = 62,000.46/x
  3. Step 3: Cross multiply
    81,097.02x = 111,812.67 × 62,000.46
  4. Step 4: Simplify right side
    81,097.02x = 6,932,436,973.83
  5. Step 5: Solve for x
    x = 6,932,436,973.83/81,097.02
  6. Step 6: Final answer
    x = 85,483.25

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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.