Home / 78,783.27-118,140.04-22,610.35

Finding the Fourth Proportional to 78,783.27, 118,140.04 and 22,610.35

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Solution

The fourth proportional to 78,783.27, 118,140.04 and 22,610.35 is: 33,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,783.27 : 118,140.04 = 22,610.35 : x
  2. Step 2: Convert to fraction form
    78,783.27/118,140.04 = 22,610.35/x
  3. Step 3: Cross multiply
    78,783.27x = 118,140.04 × 22,610.35
  4. Step 4: Simplify right side
    78,783.27x = 2,671,187,164.81
  5. Step 5: Solve for x
    x = 2,671,187,164.81/78,783.27
  6. Step 6: Final answer
    x = 33,905.51

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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.