Home / 103,646.89-155,470.34-57,195.01

Finding the Fourth Proportional to 103,646.89, 155,470.34 and 57,195.01

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Solution

The fourth proportional to 103,646.89, 155,470.34 and 57,195.01 is: 85,792.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,646.89 : 155,470.34 = 57,195.01 : x
  2. Step 2: Convert to fraction form
    103,646.89/155,470.34 = 57,195.01/x
  3. Step 3: Cross multiply
    103,646.89x = 155,470.34 × 57,195.01
  4. Step 4: Simplify right side
    103,646.89x = 8,892,127,651.00
  5. Step 5: Solve for x
    x = 8,892,127,651.00/103,646.89
  6. Step 6: Final answer
    x = 85,792.52

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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.