Home / 89,035.18-122,866.90-48,748.20

Finding the Fourth Proportional to 89,035.18, 122,866.90 and 48,748.20

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Solution

The fourth proportional to 89,035.18, 122,866.90 and 48,748.20 is: 67,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,035.18 : 122,866.90 = 48,748.20 : x
  2. Step 2: Convert to fraction form
    89,035.18/122,866.90 = 48,748.20/x
  3. Step 3: Cross multiply
    89,035.18x = 122,866.90 × 48,748.20
  4. Step 4: Simplify right side
    89,035.18x = 5,989,540,214.58
  5. Step 5: Solve for x
    x = 5,989,540,214.58/89,035.18
  6. Step 6: Final answer
    x = 67,271.61

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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.