Home / 93,126.84-128,289.24-69,212.04

Finding the Fourth Proportional to 93,126.84, 128,289.24 and 69,212.04

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Solution

The fourth proportional to 93,126.84, 128,289.24 and 69,212.04 is: 95,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,126.84 : 128,289.24 = 69,212.04 : x
  2. Step 2: Convert to fraction form
    93,126.84/128,289.24 = 69,212.04/x
  3. Step 3: Cross multiply
    93,126.84x = 128,289.24 × 69,212.04
  4. Step 4: Simplify right side
    93,126.84x = 8,879,160,010.45
  5. Step 5: Solve for x
    x = 8,879,160,010.45/93,126.84
  6. Step 6: Final answer
    x = 95,344.80

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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.