Home / 96,405.60-133,038.27-53,965.65

Finding the Fourth Proportional to 96,405.60, 133,038.27 and 53,965.65

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Solution

The fourth proportional to 96,405.60, 133,038.27 and 53,965.65 is: 74,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,405.60 : 133,038.27 = 53,965.65 : x
  2. Step 2: Convert to fraction form
    96,405.60/133,038.27 = 53,965.65/x
  3. Step 3: Cross multiply
    96,405.60x = 133,038.27 × 53,965.65
  4. Step 4: Simplify right side
    96,405.60x = 7,179,496,715.43
  5. Step 5: Solve for x
    x = 7,179,496,715.43/96,405.60
  6. Step 6: Final answer
    x = 74,471.78

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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.