Home / 94,739.12-142,037.55-57,291.50

Finding the Fourth Proportional to 94,739.12, 142,037.55 and 57,291.50

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Solution

The fourth proportional to 94,739.12, 142,037.55 and 57,291.50 is: 85,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,739.12 : 142,037.55 = 57,291.50 : x
  2. Step 2: Convert to fraction form
    94,739.12/142,037.55 = 57,291.50/x
  3. Step 3: Cross multiply
    94,739.12x = 142,037.55 × 57,291.50
  4. Step 4: Simplify right side
    94,739.12x = 8,137,544,650.92
  5. Step 5: Solve for x
    x = 8,137,544,650.92/94,739.12
  6. Step 6: Final answer
    x = 85,894.24

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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.