Home / 92,451.92-127,586.78-56,147.12

Finding the Fourth Proportional to 92,451.92, 127,586.78 and 56,147.12

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Solution

The fourth proportional to 92,451.92, 127,586.78 and 56,147.12 is: 77,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,451.92 : 127,586.78 = 56,147.12 : x
  2. Step 2: Convert to fraction form
    92,451.92/127,586.78 = 56,147.12/x
  3. Step 3: Cross multiply
    92,451.92x = 127,586.78 × 56,147.12
  4. Step 4: Simplify right side
    92,451.92x = 7,163,630,247.07
  5. Step 5: Solve for x
    x = 7,163,630,247.07/92,451.92
  6. Step 6: Final answer
    x = 77,484.93

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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.