Home / 98,883.08-136,458.59-53,561.95

Finding the Fourth Proportional to 98,883.08, 136,458.59 and 53,561.95

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Solution

The fourth proportional to 98,883.08, 136,458.59 and 53,561.95 is: 73,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,883.08 : 136,458.59 = 53,561.95 : x
  2. Step 2: Convert to fraction form
    98,883.08/136,458.59 = 53,561.95/x
  3. Step 3: Cross multiply
    98,883.08x = 136,458.59 × 53,561.95
  4. Step 4: Simplify right side
    98,883.08x = 7,308,988,174.65
  5. Step 5: Solve for x
    x = 7,308,988,174.65/98,883.08
  6. Step 6: Final answer
    x = 73,915.46

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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.