Home / 77,410.08-106,823.34-45,580.86

Finding the Fourth Proportional to 77,410.08, 106,823.34 and 45,580.86

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Solution

The fourth proportional to 77,410.08, 106,823.34 and 45,580.86 is: 62,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.08 : 106,823.34 = 45,580.86 : x
  2. Step 2: Convert to fraction form
    77,410.08/106,823.34 = 45,580.86/x
  3. Step 3: Cross multiply
    77,410.08x = 106,823.34 × 45,580.86
  4. Step 4: Simplify right side
    77,410.08x = 4,869,099,705.27
  5. Step 5: Solve for x
    x = 4,869,099,705.27/77,410.08
  6. Step 6: Final answer
    x = 62,900.07

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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.