Home / 116,345.07-160,551.95-71,098.79

Finding the Fourth Proportional to 116,345.07, 160,551.95 and 71,098.79

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Solution

The fourth proportional to 116,345.07, 160,551.95 and 71,098.79 is: 98,113.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,345.07 : 160,551.95 = 71,098.79 : x
  2. Step 2: Convert to fraction form
    116,345.07/160,551.95 = 71,098.79/x
  3. Step 3: Cross multiply
    116,345.07x = 160,551.95 × 71,098.79
  4. Step 4: Simplify right side
    116,345.07x = 11,415,048,218.89
  5. Step 5: Solve for x
    x = 11,415,048,218.89/116,345.07
  6. Step 6: Final answer
    x = 98,113.73

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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.