Home / 81,511.14-112,473.16-46,583.13

Finding the Fourth Proportional to 81,511.14, 112,473.16 and 46,583.13

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Solution

The fourth proportional to 81,511.14, 112,473.16 and 46,583.13 is: 64,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,511.14 : 112,473.16 = 46,583.13 : x
  2. Step 2: Convert to fraction form
    81,511.14/112,473.16 = 46,583.13/x
  3. Step 3: Cross multiply
    81,511.14x = 112,473.16 × 46,583.13
  4. Step 4: Simplify right side
    81,511.14x = 5,239,352,139.11
  5. Step 5: Solve for x
    x = 5,239,352,139.11/81,511.14
  6. Step 6: Final answer
    x = 64,277.74

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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.