Home / 85,216.64-117,599.81-46,977.66

Finding the Fourth Proportional to 85,216.64, 117,599.81 and 46,977.66

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Solution

The fourth proportional to 85,216.64, 117,599.81 and 46,977.66 is: 64,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.64 : 117,599.81 = 46,977.66 : x
  2. Step 2: Convert to fraction form
    85,216.64/117,599.81 = 46,977.66/x
  3. Step 3: Cross multiply
    85,216.64x = 117,599.81 × 46,977.66
  4. Step 4: Simplify right side
    85,216.64x = 5,524,563,655.36
  5. Step 5: Solve for x
    x = 5,524,563,655.36/85,216.64
  6. Step 6: Final answer
    x = 64,829.64

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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.