Home / 56,176.96-77,524.32-31,026.56

Finding the Fourth Proportional to 56,176.96, 77,524.32 and 31,026.56

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Solution

The fourth proportional to 56,176.96, 77,524.32 and 31,026.56 is: 42,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.96 : 77,524.32 = 31,026.56 : x
  2. Step 2: Convert to fraction form
    56,176.96/77,524.32 = 31,026.56/x
  3. Step 3: Cross multiply
    56,176.96x = 77,524.32 × 31,026.56
  4. Step 4: Simplify right side
    56,176.96x = 2,405,312,965.94
  5. Step 5: Solve for x
    x = 2,405,312,965.94/56,176.96
  6. Step 6: Final answer
    x = 42,816.72

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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.