Home / 99,600.50-137,444.68-54,277.51

Finding the Fourth Proportional to 99,600.50, 137,444.68 and 54,277.51

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Solution

The fourth proportional to 99,600.50, 137,444.68 and 54,277.51 is: 74,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,600.50 : 137,444.68 = 54,277.51 : x
  2. Step 2: Convert to fraction form
    99,600.50/137,444.68 = 54,277.51/x
  3. Step 3: Cross multiply
    99,600.50x = 137,444.68 × 54,277.51
  4. Step 4: Simplify right side
    99,600.50x = 7,460,154,975.09
  5. Step 5: Solve for x
    x = 7,460,154,975.09/99,600.50
  6. Step 6: Final answer
    x = 74,900.78

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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.