Home / 53,457.29-80,248.05-31,286.58

Finding the Fourth Proportional to 53,457.29, 80,248.05 and 31,286.58

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Solution

The fourth proportional to 53,457.29, 80,248.05 and 31,286.58 is: 46,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,457.29 : 80,248.05 = 31,286.58 : x
  2. Step 2: Convert to fraction form
    53,457.29/80,248.05 = 31,286.58/x
  3. Step 3: Cross multiply
    53,457.29x = 80,248.05 × 31,286.58
  4. Step 4: Simplify right side
    53,457.29x = 2,510,687,036.17
  5. Step 5: Solve for x
    x = 2,510,687,036.17/53,457.29
  6. Step 6: Final answer
    x = 46,966.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.