Home / 93,316.86-128,778.66-50,876.10

Finding the Fourth Proportional to 93,316.86, 128,778.66 and 50,876.10

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Solution

The fourth proportional to 93,316.86, 128,778.66 and 50,876.10 is: 70,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,316.86 : 128,778.66 = 50,876.10 : x
  2. Step 2: Convert to fraction form
    93,316.86/128,778.66 = 50,876.10/x
  3. Step 3: Cross multiply
    93,316.86x = 128,778.66 × 50,876.10
  4. Step 4: Simplify right side
    93,316.86x = 6,551,755,984.03
  5. Step 5: Solve for x
    x = 6,551,755,984.03/93,316.86
  6. Step 6: Final answer
    x = 70,209.78

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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.