Home / 53,272.46-73,543.64-38,916.18

Finding the Fourth Proportional to 53,272.46, 73,543.64 and 38,916.18

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Solution

The fourth proportional to 53,272.46, 73,543.64 and 38,916.18 is: 53,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,272.46 : 73,543.64 = 38,916.18 : x
  2. Step 2: Convert to fraction form
    53,272.46/73,543.64 = 38,916.18/x
  3. Step 3: Cross multiply
    53,272.46x = 73,543.64 × 38,916.18
  4. Step 4: Simplify right side
    53,272.46x = 2,862,037,164.38
  5. Step 5: Solve for x
    x = 2,862,037,164.38/53,272.46
  6. Step 6: Final answer
    x = 53,724.52

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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.