Home / 85,682.01-118,245.57-47,445.74

Finding the Fourth Proportional to 85,682.01, 118,245.57 and 47,445.74

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Solution

The fourth proportional to 85,682.01, 118,245.57 and 47,445.74 is: 65,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.01 : 118,245.57 = 47,445.74 : x
  2. Step 2: Convert to fraction form
    85,682.01/118,245.57 = 47,445.74/x
  3. Step 3: Cross multiply
    85,682.01x = 118,245.57 × 47,445.74
  4. Step 4: Simplify right side
    85,682.01x = 5,610,247,979.14
  5. Step 5: Solve for x
    x = 5,610,247,979.14/85,682.01
  6. Step 6: Final answer
    x = 65,477.55

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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.