Home / 94,731.40-142,125.90-53,150.60

Finding the Fourth Proportional to 94,731.40, 142,125.90 and 53,150.60

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Solution

The fourth proportional to 94,731.40, 142,125.90 and 53,150.60 is: 79,742.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,731.40 : 142,125.90 = 53,150.60 : x
  2. Step 2: Convert to fraction form
    94,731.40/142,125.90 = 53,150.60/x
  3. Step 3: Cross multiply
    94,731.40x = 142,125.90 × 53,150.60
  4. Step 4: Simplify right side
    94,731.40x = 7,554,076,860.54
  5. Step 5: Solve for x
    x = 7,554,076,860.54/94,731.40
  6. Step 6: Final answer
    x = 79,742.06

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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.