Home / 85,741.56-118,354.38-69,798.34

Finding the Fourth Proportional to 85,741.56, 118,354.38 and 69,798.34

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Solution

The fourth proportional to 85,741.56, 118,354.38 and 69,798.34 is: 96,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.56 : 118,354.38 = 69,798.34 : x
  2. Step 2: Convert to fraction form
    85,741.56/118,354.38 = 69,798.34/x
  3. Step 3: Cross multiply
    85,741.56x = 118,354.38 × 69,798.34
  4. Step 4: Simplify right side
    85,741.56x = 8,260,939,255.73
  5. Step 5: Solve for x
    x = 8,260,939,255.73/85,741.56
  6. Step 6: Final answer
    x = 96,346.97

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1.5x scale

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.