Home / 85,284.32-117,730.74-62,583.20

Finding the Fourth Proportional to 85,284.32, 117,730.74 and 62,583.20

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Solution

The fourth proportional to 85,284.32, 117,730.74 and 62,583.20 is: 86,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,284.32 : 117,730.74 = 62,583.20 : x
  2. Step 2: Convert to fraction form
    85,284.32/117,730.74 = 62,583.20/x
  3. Step 3: Cross multiply
    85,284.32x = 117,730.74 × 62,583.20
  4. Step 4: Simplify right side
    85,284.32x = 7,367,966,447.57
  5. Step 5: Solve for x
    x = 7,367,966,447.57/85,284.32
  6. Step 6: Final answer
    x = 86,392.98

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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.