Home / 76,359.07-114,421.69-31,961.65

Finding the Fourth Proportional to 76,359.07, 114,421.69 and 31,961.65

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Solution

The fourth proportional to 76,359.07, 114,421.69 and 31,961.65 is: 47,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,359.07 : 114,421.69 = 31,961.65 : x
  2. Step 2: Convert to fraction form
    76,359.07/114,421.69 = 31,961.65/x
  3. Step 3: Cross multiply
    76,359.07x = 114,421.69 × 31,961.65
  4. Step 4: Simplify right side
    76,359.07x = 3,657,106,008.19
  5. Step 5: Solve for x
    x = 3,657,106,008.19/76,359.07
  6. Step 6: Final answer
    x = 47,893.54

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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.