Home / 96,860.61-145,243.53-57,407.13

Finding the Fourth Proportional to 96,860.61, 145,243.53 and 57,407.13

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Solution

The fourth proportional to 96,860.61, 145,243.53 and 57,407.13 is: 86,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,860.61 : 145,243.53 = 57,407.13 : x
  2. Step 2: Convert to fraction form
    96,860.61/145,243.53 = 57,407.13/x
  3. Step 3: Cross multiply
    96,860.61x = 145,243.53 × 57,407.13
  4. Step 4: Simplify right side
    96,860.61x = 8,338,014,208.37
  5. Step 5: Solve for x
    x = 8,338,014,208.37/96,860.61
  6. Step 6: Final answer
    x = 86,082.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.