Home / 81,954.40-113,103.12-46,148.32

Finding the Fourth Proportional to 81,954.40, 113,103.12 and 46,148.32

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Solution

The fourth proportional to 81,954.40, 113,103.12 and 46,148.32 is: 63,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954.40 : 113,103.12 = 46,148.32 : x
  2. Step 2: Convert to fraction form
    81,954.40/113,103.12 = 46,148.32/x
  3. Step 3: Cross multiply
    81,954.40x = 113,103.12 × 46,148.32
  4. Step 4: Simplify right side
    81,954.40x = 5,219,518,974.76
  5. Step 5: Solve for x
    x = 5,219,518,974.76/81,954.40
  6. Step 6: Final answer
    x = 63,688.09

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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.