Home / 105,244.56-145,237.32-57,497.90

Finding the Fourth Proportional to 105,244.56, 145,237.32 and 57,497.90

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Solution

The fourth proportional to 105,244.56, 145,237.32 and 57,497.90 is: 79,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,244.56 : 145,237.32 = 57,497.90 : x
  2. Step 2: Convert to fraction form
    105,244.56/145,237.32 = 57,497.90/x
  3. Step 3: Cross multiply
    105,244.56x = 145,237.32 × 57,497.90
  4. Step 4: Simplify right side
    105,244.56x = 8,350,840,175.44
  5. Step 5: Solve for x
    x = 8,350,840,175.44/105,244.56
  6. Step 6: Final answer
    x = 79,347.00

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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.