Home / 96,405.50-133,101.42-66,181.16

Finding the Fourth Proportional to 96,405.50, 133,101.42 and 66,181.16

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Solution

The fourth proportional to 96,405.50, 133,101.42 and 66,181.16 is: 91,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,405.50 : 133,101.42 = 66,181.16 : x
  2. Step 2: Convert to fraction form
    96,405.50/133,101.42 = 66,181.16/x
  3. Step 3: Cross multiply
    96,405.50x = 133,101.42 × 66,181.16
  4. Step 4: Simplify right side
    96,405.50x = 8,808,806,373.25
  5. Step 5: Solve for x
    x = 8,808,806,373.25/96,405.50
  6. Step 6: Final answer
    x = 91,372.45

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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.