Home / 98,825.67-136,378.47-53,502.50

Finding the Fourth Proportional to 98,825.67, 136,378.47 and 53,502.50

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Solution

The fourth proportional to 98,825.67, 136,378.47 and 53,502.50 is: 73,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,825.67 : 136,378.47 = 53,502.50 : x
  2. Step 2: Convert to fraction form
    98,825.67/136,378.47 = 53,502.50/x
  3. Step 3: Cross multiply
    98,825.67x = 136,378.47 × 53,502.50
  4. Step 4: Simplify right side
    98,825.67x = 7,296,588,409.28
  5. Step 5: Solve for x
    x = 7,296,588,409.28/98,825.67
  6. Step 6: Final answer
    x = 73,832.93

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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.