Home / 99,282.14-137,010.40-53,960.12

Finding the Fourth Proportional to 99,282.14, 137,010.40 and 53,960.12

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Solution

The fourth proportional to 99,282.14, 137,010.40 and 53,960.12 is: 74,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,282.14 : 137,010.40 = 53,960.12 : x
  2. Step 2: Convert to fraction form
    99,282.14/137,010.40 = 53,960.12/x
  3. Step 3: Cross multiply
    99,282.14x = 137,010.40 × 53,960.12
  4. Step 4: Simplify right side
    99,282.14x = 7,393,097,625.25
  5. Step 5: Solve for x
    x = 7,393,097,625.25/99,282.14
  6. Step 6: Final answer
    x = 74,465.53

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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.