Home / 99,625.25-137,481.95-54,303.23

Finding the Fourth Proportional to 99,625.25, 137,481.95 and 54,303.23

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Solution

The fourth proportional to 99,625.25, 137,481.95 and 54,303.23 is: 74,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,625.25 : 137,481.95 = 54,303.23 : x
  2. Step 2: Convert to fraction form
    99,625.25/137,481.95 = 54,303.23/x
  3. Step 3: Cross multiply
    99,625.25x = 137,481.95 × 54,303.23
  4. Step 4: Simplify right side
    99,625.25x = 7,465,714,431.16
  5. Step 5: Solve for x
    x = 7,465,714,431.16/99,625.25
  6. Step 6: Final answer
    x = 74,937.97

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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.