Home / 93,739.27-129,361.75-66,927.36

Finding the Fourth Proportional to 93,739.27, 129,361.75 and 66,927.36

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Solution

The fourth proportional to 93,739.27, 129,361.75 and 66,927.36 is: 92,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,739.27 : 129,361.75 = 66,927.36 : x
  2. Step 2: Convert to fraction form
    93,739.27/129,361.75 = 66,927.36/x
  3. Step 3: Cross multiply
    93,739.27x = 129,361.75 × 66,927.36
  4. Step 4: Simplify right side
    93,739.27x = 8,657,840,412.48
  5. Step 5: Solve for x
    x = 8,657,840,412.48/93,739.27
  6. Step 6: Final answer
    x = 92,360.87

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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.