Home / 96,690.81-133,431.24-53,667.80

Finding the Fourth Proportional to 96,690.81, 133,431.24 and 53,667.80

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Solution

The fourth proportional to 96,690.81, 133,431.24 and 53,667.80 is: 74,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.81 : 133,431.24 = 53,667.80 : x
  2. Step 2: Convert to fraction form
    96,690.81/133,431.24 = 53,667.80/x
  3. Step 3: Cross multiply
    96,690.81x = 133,431.24 × 53,667.80
  4. Step 4: Simplify right side
    96,690.81x = 7,160,960,434.92
  5. Step 5: Solve for x
    x = 7,160,960,434.92/96,690.81
  6. Step 6: Final answer
    x = 74,060.40

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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.