Home / 93,260.70-128,699.28-50,818.86

Finding the Fourth Proportional to 93,260.70, 128,699.28 and 50,818.86

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Solution

The fourth proportional to 93,260.70, 128,699.28 and 50,818.86 is: 70,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,260.70 : 128,699.28 = 50,818.86 : x
  2. Step 2: Convert to fraction form
    93,260.70/128,699.28 = 50,818.86/x
  3. Step 3: Cross multiply
    93,260.70x = 128,699.28 × 50,818.86
  4. Step 4: Simplify right side
    93,260.70x = 6,540,350,692.42
  5. Step 5: Solve for x
    x = 6,540,350,692.42/93,260.70
  6. Step 6: Final answer
    x = 70,129.76

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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.