Home / 120,587.43-180,875.63-49,492.52

Finding the Fourth Proportional to 120,587.43, 180,875.63 and 49,492.52

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Solution

The fourth proportional to 120,587.43, 180,875.63 and 49,492.52 is: 74,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587.43 : 180,875.63 = 49,492.52 : x
  2. Step 2: Convert to fraction form
    120,587.43/180,875.63 = 49,492.52/x
  3. Step 3: Cross multiply
    120,587.43x = 180,875.63 × 49,492.52
  4. Step 4: Simplify right side
    120,587.43x = 8,951,990,632.92
  5. Step 5: Solve for x
    x = 8,951,990,632.92/120,587.43
  6. Step 6: Final answer
    x = 74,236.51

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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.