Home / 98,759.16-136,286.67-53,436.15

Finding the Fourth Proportional to 98,759.16, 136,286.67 and 53,436.15

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Solution

The fourth proportional to 98,759.16, 136,286.67 and 53,436.15 is: 73,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759.16 : 136,286.67 = 53,436.15 : x
  2. Step 2: Convert to fraction form
    98,759.16/136,286.67 = 53,436.15/x
  3. Step 3: Cross multiply
    98,759.16x = 136,286.67 × 53,436.15
  4. Step 4: Simplify right side
    98,759.16x = 7,282,634,941.12
  5. Step 5: Solve for x
    x = 7,282,634,941.12/98,759.16
  6. Step 6: Final answer
    x = 73,741.36

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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.