Home / 106,862.42-147,360.93-71,058.26

Finding the Fourth Proportional to 106,862.42, 147,360.93 and 71,058.26

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Solution

The fourth proportional to 106,862.42, 147,360.93 and 71,058.26 is: 97,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,862.42 : 147,360.93 = 71,058.26 : x
  2. Step 2: Convert to fraction form
    106,862.42/147,360.93 = 71,058.26/x
  3. Step 3: Cross multiply
    106,862.42x = 147,360.93 × 71,058.26
  4. Step 4: Simplify right side
    106,862.42x = 10,471,211,277.78
  5. Step 5: Solve for x
    x = 10,471,211,277.78/106,862.42
  6. Step 6: Final answer
    x = 97,987.78

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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.