Home / 85,041.60-117,519.24-63,783.96

Finding the Fourth Proportional to 85,041.60, 117,519.24 and 63,783.96

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Solution

The fourth proportional to 85,041.60, 117,519.24 and 63,783.96 is: 88,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,041.60 : 117,519.24 = 63,783.96 : x
  2. Step 2: Convert to fraction form
    85,041.60/117,519.24 = 63,783.96/x
  3. Step 3: Cross multiply
    85,041.60x = 117,519.24 × 63,783.96
  4. Step 4: Simplify right side
    85,041.60x = 7,495,842,503.39
  5. Step 5: Solve for x
    x = 7,495,842,503.39/85,041.60
  6. Step 6: Final answer
    x = 88,143.24

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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.