Home / 53,576.18-73,766.45-40,788.31

Finding the Fourth Proportional to 53,576.18, 73,766.45 and 40,788.31

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Solution

The fourth proportional to 53,576.18, 73,766.45 and 40,788.31 is: 56,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576.18 : 73,766.45 = 40,788.31 : x
  2. Step 2: Convert to fraction form
    53,576.18/73,766.45 = 40,788.31/x
  3. Step 3: Cross multiply
    53,576.18x = 73,766.45 × 40,788.31
  4. Step 4: Simplify right side
    53,576.18x = 3,008,808,656.63
  5. Step 5: Solve for x
    x = 3,008,808,656.63/53,576.18
  6. Step 6: Final answer
    x = 56,159.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.