Home / 56,614.48-77,992.94-39,586.86

Finding the Fourth Proportional to 56,614.48, 77,992.94 and 39,586.86

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Solution

The fourth proportional to 56,614.48, 77,992.94 and 39,586.86 is: 54,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,614.48 : 77,992.94 = 39,586.86 : x
  2. Step 2: Convert to fraction form
    56,614.48/77,992.94 = 39,586.86/x
  3. Step 3: Cross multiply
    56,614.48x = 77,992.94 × 39,586.86
  4. Step 4: Simplify right side
    56,614.48x = 3,087,495,596.77
  5. Step 5: Solve for x
    x = 3,087,495,596.77/56,614.48
  6. Step 6: Final answer
    x = 54,535.44

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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.