Home / 85,212.39-117,595.50-47,489.07

Finding the Fourth Proportional to 85,212.39, 117,595.50 and 47,489.07

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Solution

The fourth proportional to 85,212.39, 117,595.50 and 47,489.07 is: 65,536.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.39 : 117,595.50 = 47,489.07 : x
  2. Step 2: Convert to fraction form
    85,212.39/117,595.50 = 47,489.07/x
  3. Step 3: Cross multiply
    85,212.39x = 117,595.50 × 47,489.07
  4. Step 4: Simplify right side
    85,212.39x = 5,584,500,931.19
  5. Step 5: Solve for x
    x = 5,584,500,931.19/85,212.39
  6. Step 6: Final answer
    x = 65,536.26

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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.