Home / 81,931.08-113,056.08-46,120.44

Finding the Fourth Proportional to 81,931.08, 113,056.08 and 46,120.44

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Solution

The fourth proportional to 81,931.08, 113,056.08 and 46,120.44 is: 63,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,931.08 : 113,056.08 = 46,120.44 : x
  2. Step 2: Convert to fraction form
    81,931.08/113,056.08 = 46,120.44/x
  3. Step 3: Cross multiply
    81,931.08x = 113,056.08 × 46,120.44
  4. Step 4: Simplify right side
    81,931.08x = 5,214,196,154.28
  5. Step 5: Solve for x
    x = 5,214,196,154.28/81,931.08
  6. Step 6: Final answer
    x = 63,641.25

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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.