Home / 93,005.22-128,341.70-50,563.38

Finding the Fourth Proportional to 93,005.22, 128,341.70 and 50,563.38

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Solution

The fourth proportional to 93,005.22, 128,341.70 and 50,563.38 is: 69,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,005.22 : 128,341.70 = 50,563.38 : x
  2. Step 2: Convert to fraction form
    93,005.22/128,341.70 = 50,563.38/x
  3. Step 3: Cross multiply
    93,005.22x = 128,341.70 × 50,563.38
  4. Step 4: Simplify right side
    93,005.22x = 6,489,390,146.95
  5. Step 5: Solve for x
    x = 6,489,390,146.95/93,005.22
  6. Step 6: Final answer
    x = 69,774.47

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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.