Home / 93,455.14-128,966.44-53,168.04

Finding the Fourth Proportional to 93,455.14, 128,966.44 and 53,168.04

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Solution

The fourth proportional to 93,455.14, 128,966.44 and 53,168.04 is: 73,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,455.14 : 128,966.44 = 53,168.04 : x
  2. Step 2: Convert to fraction form
    93,455.14/128,966.44 = 53,168.04/x
  3. Step 3: Cross multiply
    93,455.14x = 128,966.44 × 53,168.04
  4. Step 4: Simplify right side
    93,455.14x = 6,856,892,840.58
  5. Step 5: Solve for x
    x = 6,856,892,840.58/93,455.14
  6. Step 6: Final answer
    x = 73,370.95

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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.