Home / 93,536.12-128,817.43-87,532.67

Finding the Fourth Proportional to 93,536.12, 128,817.43 and 87,532.67

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Solution

The fourth proportional to 93,536.12, 128,817.43 and 87,532.67 is: 120,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,536.12 : 128,817.43 = 87,532.67 : x
  2. Step 2: Convert to fraction form
    93,536.12/128,817.43 = 87,532.67/x
  3. Step 3: Cross multiply
    93,536.12x = 128,817.43 × 87,532.67
  4. Step 4: Simplify right side
    93,536.12x = 11,275,732,727.52
  5. Step 5: Solve for x
    x = 11,275,732,727.52/93,536.12
  6. Step 6: Final answer
    x = 120,549.51

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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.