Home / 85,211.39-117,594.12-47,488.07

Finding the Fourth Proportional to 85,211.39, 117,594.12 and 47,488.07

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Solution

The fourth proportional to 85,211.39, 117,594.12 and 47,488.07 is: 65,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,211.39 : 117,594.12 = 47,488.07 : x
  2. Step 2: Convert to fraction form
    85,211.39/117,594.12 = 47,488.07/x
  3. Step 3: Cross multiply
    85,211.39x = 117,594.12 × 47,488.07
  4. Step 4: Simplify right side
    85,211.39x = 5,584,317,802.15
  5. Step 5: Solve for x
    x = 5,584,317,802.15/85,211.39
  6. Step 6: Final answer
    x = 65,534.88

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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.