Home / 96,980.12-133,837.86-54,541.16

Finding the Fourth Proportional to 96,980.12, 133,837.86 and 54,541.16

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Solution

The fourth proportional to 96,980.12, 133,837.86 and 54,541.16 is: 75,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,980.12 : 133,837.86 = 54,541.16 : x
  2. Step 2: Convert to fraction form
    96,980.12/133,837.86 = 54,541.16/x
  3. Step 3: Cross multiply
    96,980.12x = 133,837.86 × 54,541.16
  4. Step 4: Simplify right side
    96,980.12x = 7,299,672,136.32
  5. Step 5: Solve for x
    x = 7,299,672,136.32/96,980.12
  6. Step 6: Final answer
    x = 75,269.78

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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.