Home / 93,262.05-128,701.78-50,820.57

Finding the Fourth Proportional to 93,262.05, 128,701.78 and 50,820.57

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Solution

The fourth proportional to 93,262.05, 128,701.78 and 50,820.57 is: 70,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,262.05 : 128,701.78 = 50,820.57 : x
  2. Step 2: Convert to fraction form
    93,262.05/128,701.78 = 50,820.57/x
  3. Step 3: Cross multiply
    93,262.05x = 128,701.78 × 50,820.57
  4. Step 4: Simplify right side
    93,262.05x = 6,540,697,692.56
  5. Step 5: Solve for x
    x = 6,540,697,692.56/93,262.05
  6. Step 6: Final answer
    x = 70,132.47

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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.