Home / 98,653.52-136,141.67-53,331.53

Finding the Fourth Proportional to 98,653.52, 136,141.67 and 53,331.53

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Solution

The fourth proportional to 98,653.52, 136,141.67 and 53,331.53 is: 73,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,653.52 : 136,141.67 = 53,331.53 : x
  2. Step 2: Convert to fraction form
    98,653.52/136,141.67 = 53,331.53/x
  3. Step 3: Cross multiply
    98,653.52x = 136,141.67 × 53,331.53
  4. Step 4: Simplify right side
    98,653.52x = 7,260,642,610.49
  5. Step 5: Solve for x
    x = 7,260,642,610.49/98,653.52
  6. Step 6: Final answer
    x = 73,597.40

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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.