Home / 96,690.43-133,430.71-53,667.40

Finding the Fourth Proportional to 96,690.43, 133,430.71 and 53,667.40

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Solution

The fourth proportional to 96,690.43, 133,430.71 and 53,667.40 is: 74,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.43 : 133,430.71 = 53,667.40 : x
  2. Step 2: Convert to fraction form
    96,690.43/133,430.71 = 53,667.40/x
  3. Step 3: Cross multiply
    96,690.43x = 133,430.71 × 53,667.40
  4. Step 4: Simplify right side
    96,690.43x = 7,160,879,285.85
  5. Step 5: Solve for x
    x = 7,160,879,285.85/96,690.43
  6. Step 6: Final answer
    x = 74,059.86

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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.