Home / 56,029.92-77,432.76-45,942.72

Finding the Fourth Proportional to 56,029.92, 77,432.76 and 45,942.72

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Solution

The fourth proportional to 56,029.92, 77,432.76 and 45,942.72 is: 63,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,029.92 : 77,432.76 = 45,942.72 : x
  2. Step 2: Convert to fraction form
    56,029.92/77,432.76 = 45,942.72/x
  3. Step 3: Cross multiply
    56,029.92x = 77,432.76 × 45,942.72
  4. Step 4: Simplify right side
    56,029.92x = 3,557,471,611.51
  5. Step 5: Solve for x
    x = 3,557,471,611.51/56,029.92
  6. Step 6: Final answer
    x = 63,492.36

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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.