Home / 81,957.24-113,088.96-46,140.12

Finding the Fourth Proportional to 81,957.24, 113,088.96 and 46,140.12

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Solution

The fourth proportional to 81,957.24, 113,088.96 and 46,140.12 is: 63,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,957.24 : 113,088.96 = 46,140.12 : x
  2. Step 2: Convert to fraction form
    81,957.24/113,088.96 = 46,140.12/x
  3. Step 3: Cross multiply
    81,957.24x = 113,088.96 × 46,140.12
  4. Step 4: Simplify right side
    81,957.24x = 5,217,938,185.08
  5. Step 5: Solve for x
    x = 5,217,938,185.08/81,957.24
  6. Step 6: Final answer
    x = 63,666.59

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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.