Home / 92,807.37-128,074.50-56,997.27

Finding the Fourth Proportional to 92,807.37, 128,074.50 and 56,997.27

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Solution

The fourth proportional to 92,807.37, 128,074.50 and 56,997.27 is: 78,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,807.37 : 128,074.50 = 56,997.27 : x
  2. Step 2: Convert to fraction form
    92,807.37/128,074.50 = 56,997.27/x
  3. Step 3: Cross multiply
    92,807.37x = 128,074.50 × 56,997.27
  4. Step 4: Simplify right side
    92,807.37x = 7,299,896,856.62
  5. Step 5: Solve for x
    x = 7,299,896,856.62/92,807.37
  6. Step 6: Final answer
    x = 78,656.43

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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.