Home / 93,954.13-129,662.01-55,736.31

Finding the Fourth Proportional to 93,954.13, 129,662.01 and 55,736.31

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Solution

The fourth proportional to 93,954.13, 129,662.01 and 55,736.31 is: 76,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,954.13 : 129,662.01 = 55,736.31 : x
  2. Step 2: Convert to fraction form
    93,954.13/129,662.01 = 55,736.31/x
  3. Step 3: Cross multiply
    93,954.13x = 129,662.01 × 55,736.31
  4. Step 4: Simplify right side
    93,954.13x = 7,226,881,741.47
  5. Step 5: Solve for x
    x = 7,226,881,741.47/93,954.13
  6. Step 6: Final answer
    x = 76,919.25

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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.