Home / 58,037.89-87,137.54-29,978.68

Finding the Fourth Proportional to 58,037.89, 87,137.54 and 29,978.68

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Solution

The fourth proportional to 58,037.89, 87,137.54 and 29,978.68 is: 45,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,037.89 : 87,137.54 = 29,978.68 : x
  2. Step 2: Convert to fraction form
    58,037.89/87,137.54 = 29,978.68/x
  3. Step 3: Cross multiply
    58,037.89x = 87,137.54 × 29,978.68
  4. Step 4: Simplify right side
    58,037.89x = 2,612,268,427.65
  5. Step 5: Solve for x
    x = 2,612,268,427.65/58,037.89
  6. Step 6: Final answer
    x = 45,009.71

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1.5x scale

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.