Home / 78,862.33-108,830.19-43,052.35

Finding the Fourth Proportional to 78,862.33, 108,830.19 and 43,052.35

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Solution

The fourth proportional to 78,862.33, 108,830.19 and 43,052.35 is: 59,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,862.33 : 108,830.19 = 43,052.35 : x
  2. Step 2: Convert to fraction form
    78,862.33/108,830.19 = 43,052.35/x
  3. Step 3: Cross multiply
    78,862.33x = 108,830.19 × 43,052.35
  4. Step 4: Simplify right side
    78,862.33x = 4,685,395,430.45
  5. Step 5: Solve for x
    x = 4,685,395,430.45/78,862.33
  6. Step 6: Final answer
    x = 59,412.34

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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.