Home / 93,662.13-129,254.76-51,219.75

Finding the Fourth Proportional to 93,662.13, 129,254.76 and 51,219.75

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Solution

The fourth proportional to 93,662.13, 129,254.76 and 51,219.75 is: 70,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,662.13 : 129,254.76 = 51,219.75 : x
  2. Step 2: Convert to fraction form
    93,662.13/129,254.76 = 51,219.75/x
  3. Step 3: Cross multiply
    93,662.13x = 129,254.76 × 51,219.75
  4. Step 4: Simplify right side
    93,662.13x = 6,620,396,493.51
  5. Step 5: Solve for x
    x = 6,620,396,493.51/93,662.13
  6. Step 6: Final answer
    x = 70,683.81

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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.