Home / 76,586.31-114,880.02-26,666.32

Finding the Fourth Proportional to 76,586.31, 114,880.02 and 26,666.32

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Solution

The fourth proportional to 76,586.31, 114,880.02 and 26,666.32 is: 39,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,586.31 : 114,880.02 = 26,666.32 : x
  2. Step 2: Convert to fraction form
    76,586.31/114,880.02 = 26,666.32/x
  3. Step 3: Cross multiply
    76,586.31x = 114,880.02 × 26,666.32
  4. Step 4: Simplify right side
    76,586.31x = 3,063,427,676.23
  5. Step 5: Solve for x
    x = 3,063,427,676.23/76,586.31
  6. Step 6: Final answer
    x = 39,999.68

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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.