Home / 56,675.10-78,221.43-32,814.93

Finding the Fourth Proportional to 56,675.10, 78,221.43 and 32,814.93

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Solution

The fourth proportional to 56,675.10, 78,221.43 and 32,814.93 is: 45,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,675.10 : 78,221.43 = 32,814.93 : x
  2. Step 2: Convert to fraction form
    56,675.10/78,221.43 = 32,814.93/x
  3. Step 3: Cross multiply
    56,675.10x = 78,221.43 × 32,814.93
  4. Step 4: Simplify right side
    56,675.10x = 2,566,831,043.28
  5. Step 5: Solve for x
    x = 2,566,831,043.28/56,675.10
  6. Step 6: Final answer
    x = 45,290.28

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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.