Home / 120,570.90-180,879.03-48,529.32

Finding the Fourth Proportional to 120,570.90, 180,879.03 and 48,529.32

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Solution

The fourth proportional to 120,570.90, 180,879.03 and 48,529.32 is: 72,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,570.90 : 180,879.03 = 48,529.32 : x
  2. Step 2: Convert to fraction form
    120,570.90/180,879.03 = 48,529.32/x
  3. Step 3: Cross multiply
    120,570.90x = 180,879.03 × 48,529.32
  4. Step 4: Simplify right side
    120,570.90x = 8,777,936,328.16
  5. Step 5: Solve for x
    x = 8,777,936,328.16/120,570.90
  6. Step 6: Final answer
    x = 72,803.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.