Home / 78,752.29-118,112.32-22,577.35

Finding the Fourth Proportional to 78,752.29, 118,112.32 and 22,577.35

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Solution

The fourth proportional to 78,752.29, 118,112.32 and 22,577.35 is: 33,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,752.29 : 118,112.32 = 22,577.35 : x
  2. Step 2: Convert to fraction form
    78,752.29/118,112.32 = 22,577.35/x
  3. Step 3: Cross multiply
    78,752.29x = 118,112.32 × 22,577.35
  4. Step 4: Simplify right side
    78,752.29x = 2,666,662,540.95
  5. Step 5: Solve for x
    x = 2,666,662,540.95/78,752.29
  6. Step 6: Final answer
    x = 33,861.40

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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.