Home / 56,671.88-78,202.32-32,800.10

Finding the Fourth Proportional to 56,671.88, 78,202.32 and 32,800.10

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Solution

The fourth proportional to 56,671.88, 78,202.32 and 32,800.10 is: 45,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.88 : 78,202.32 = 32,800.10 : x
  2. Step 2: Convert to fraction form
    56,671.88/78,202.32 = 32,800.10/x
  3. Step 3: Cross multiply
    56,671.88x = 78,202.32 × 32,800.10
  4. Step 4: Simplify right side
    56,671.88x = 2,565,043,916.23
  5. Step 5: Solve for x
    x = 2,565,043,916.23/56,671.88
  6. Step 6: Final answer
    x = 45,261.32

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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.