Home / 96,815.19-133,598.39-54,372.81

Finding the Fourth Proportional to 96,815.19, 133,598.39 and 54,372.81

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Solution

The fourth proportional to 96,815.19, 133,598.39 and 54,372.81 is: 75,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,815.19 : 133,598.39 = 54,372.81 : x
  2. Step 2: Convert to fraction form
    96,815.19/133,598.39 = 54,372.81/x
  3. Step 3: Cross multiply
    96,815.19x = 133,598.39 × 54,372.81
  4. Step 4: Simplify right side
    96,815.19x = 7,264,119,603.91
  5. Step 5: Solve for x
    x = 7,264,119,603.91/96,815.19
  6. Step 6: Final answer
    x = 75,030.78

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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.