Home / 71,748.09-99,148.92-53,811.96

Finding the Fourth Proportional to 71,748.09, 99,148.92 and 53,811.96

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Solution

The fourth proportional to 71,748.09, 99,148.92 and 53,811.96 is: 74,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,748.09 : 99,148.92 = 53,811.96 : x
  2. Step 2: Convert to fraction form
    71,748.09/99,148.92 = 53,811.96/x
  3. Step 3: Cross multiply
    71,748.09x = 99,148.92 × 53,811.96
  4. Step 4: Simplify right side
    71,748.09x = 5,335,397,717.08
  5. Step 5: Solve for x
    x = 5,335,397,717.08/71,748.09
  6. Step 6: Final answer
    x = 74,362.92

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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.