Home / 56,873.72-85,282.50-17,421.32

Finding the Fourth Proportional to 56,873.72, 85,282.50 and 17,421.32

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Solution

The fourth proportional to 56,873.72, 85,282.50 and 17,421.32 is: 26,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.72 : 85,282.50 = 17,421.32 : x
  2. Step 2: Convert to fraction form
    56,873.72/85,282.50 = 17,421.32/x
  3. Step 3: Cross multiply
    56,873.72x = 85,282.50 × 17,421.32
  4. Step 4: Simplify right side
    56,873.72x = 1,485,733,722.90
  5. Step 5: Solve for x
    x = 1,485,733,722.90/56,873.72
  6. Step 6: Final answer
    x = 26,123.38

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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.