Home / 99,733.67-137,618.82-57,292.19

Finding the Fourth Proportional to 99,733.67, 137,618.82 and 57,292.19

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Solution

The fourth proportional to 99,733.67, 137,618.82 and 57,292.19 is: 79,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733.67 : 137,618.82 = 57,292.19 : x
  2. Step 2: Convert to fraction form
    99,733.67/137,618.82 = 57,292.19/x
  3. Step 3: Cross multiply
    99,733.67x = 137,618.82 × 57,292.19
  4. Step 4: Simplify right side
    99,733.67x = 7,884,483,583.02
  5. Step 5: Solve for x
    x = 7,884,483,583.02/99,733.67
  6. Step 6: Final answer
    x = 79,055.38

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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.