Home / 56,613.80-78,131.40-33,953.64

Finding the Fourth Proportional to 56,613.80, 78,131.40 and 33,953.64

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Solution

The fourth proportional to 56,613.80, 78,131.40 and 33,953.64 is: 46,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,613.80 : 78,131.40 = 33,953.64 : x
  2. Step 2: Convert to fraction form
    56,613.80/78,131.40 = 33,953.64/x
  3. Step 3: Cross multiply
    56,613.80x = 78,131.40 × 33,953.64
  4. Step 4: Simplify right side
    56,613.80x = 2,652,845,428.30
  5. Step 5: Solve for x
    x = 2,652,845,428.30/56,613.80
  6. Step 6: Final answer
    x = 46,858.64

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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.