Home / 93,990.06-129,706.47-51,548.94

Finding the Fourth Proportional to 93,990.06, 129,706.47 and 51,548.94

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Solution

The fourth proportional to 93,990.06, 129,706.47 and 51,548.94 is: 71,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,990.06 : 129,706.47 = 51,548.94 : x
  2. Step 2: Convert to fraction form
    93,990.06/129,706.47 = 51,548.94/x
  3. Step 3: Cross multiply
    93,990.06x = 129,706.47 × 51,548.94
  4. Step 4: Simplify right side
    93,990.06x = 6,686,231,039.64
  5. Step 5: Solve for x
    x = 6,686,231,039.64/93,990.06
  6. Step 6: Final answer
    x = 71,137.64

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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.