Home / 93,317.86-128,778.56-50,876.38

Finding the Fourth Proportional to 93,317.86, 128,778.56 and 50,876.38

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Solution

The fourth proportional to 93,317.86, 128,778.56 and 50,876.38 is: 70,209.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.86 : 128,778.56 = 50,876.38 : x
  2. Step 2: Convert to fraction form
    93,317.86/128,778.56 = 50,876.38/x
  3. Step 3: Cross multiply
    93,317.86x = 128,778.56 × 50,876.38
  4. Step 4: Simplify right side
    93,317.86x = 6,551,786,954.41
  5. Step 5: Solve for x
    x = 6,551,786,954.41/93,317.86
  6. Step 6: Final answer
    x = 70,209.36

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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.