Home / 96,759.81-133,541.31-54,318.35

Finding the Fourth Proportional to 96,759.81, 133,541.31 and 54,318.35

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Solution

The fourth proportional to 96,759.81, 133,541.31 and 54,318.35 is: 74,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,759.81 : 133,541.31 = 54,318.35 : x
  2. Step 2: Convert to fraction form
    96,759.81/133,541.31 = 54,318.35/x
  3. Step 3: Cross multiply
    96,759.81x = 133,541.31 × 54,318.35
  4. Step 4: Simplify right side
    96,759.81x = 7,253,742,948.33
  5. Step 5: Solve for x
    x = 7,253,742,948.33/96,759.81
  6. Step 6: Final answer
    x = 74,966.49

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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.