Home / 93,005.76-128,342.64-50,564.04

Finding the Fourth Proportional to 93,005.76, 128,342.64 and 50,564.04

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Solution

The fourth proportional to 93,005.76, 128,342.64 and 50,564.04 is: 69,775.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.76 : 128,342.64 = 50,564.04 : x
  2. Step 2: Convert to fraction form
    93,005.76/128,342.64 = 50,564.04/x
  3. Step 3: Cross multiply
    93,005.76x = 128,342.64 × 50,564.04
  4. Step 4: Simplify right side
    93,005.76x = 6,489,522,382.67
  5. Step 5: Solve for x
    x = 6,489,522,382.67/93,005.76
  6. Step 6: Final answer
    x = 69,775.49

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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.