Home / 77,730.25-116,588.66-47,327.49

Finding the Fourth Proportional to 77,730.25, 116,588.66 and 47,327.49

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Solution

The fourth proportional to 77,730.25, 116,588.66 and 47,327.49 is: 70,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,730.25 : 116,588.66 = 47,327.49 : x
  2. Step 2: Convert to fraction form
    77,730.25/116,588.66 = 47,327.49/x
  3. Step 3: Cross multiply
    77,730.25x = 116,588.66 × 47,327.49
  4. Step 4: Simplify right side
    77,730.25x = 5,517,848,536.73
  5. Step 5: Solve for x
    x = 5,517,848,536.73/77,730.25
  6. Step 6: Final answer
    x = 70,987.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.