Home / 93,612.81-129,170.60-53,327.36

Finding the Fourth Proportional to 93,612.81, 129,170.60 and 53,327.36

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Solution

The fourth proportional to 93,612.81, 129,170.60 and 53,327.36 is: 73,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612.81 : 129,170.60 = 53,327.36 : x
  2. Step 2: Convert to fraction form
    93,612.81/129,170.60 = 53,327.36/x
  3. Step 3: Cross multiply
    93,612.81x = 129,170.60 × 53,327.36
  4. Step 4: Simplify right side
    93,612.81x = 6,888,327,343.88
  5. Step 5: Solve for x
    x = 6,888,327,343.88/93,612.81
  6. Step 6: Final answer
    x = 73,583.17

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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.