Home / 92,772.41-128,027.79-56,949.35

Finding the Fourth Proportional to 92,772.41, 128,027.79 and 56,949.35

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Solution

The fourth proportional to 92,772.41, 128,027.79 and 56,949.35 is: 78,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772.41 : 128,027.79 = 56,949.35 : x
  2. Step 2: Convert to fraction form
    92,772.41/128,027.79 = 56,949.35/x
  3. Step 3: Cross multiply
    92,772.41x = 128,027.79 × 56,949.35
  4. Step 4: Simplify right side
    92,772.41x = 7,291,098,782.30
  5. Step 5: Solve for x
    x = 7,291,098,782.30/92,772.41
  6. Step 6: Final answer
    x = 78,591.24

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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.