Home / 72,569.53-100,160.69-41,943.93

Finding the Fourth Proportional to 72,569.53, 100,160.69 and 41,943.93

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Solution

The fourth proportional to 72,569.53, 100,160.69 and 41,943.93 is: 57,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,569.53 : 100,160.69 = 41,943.93 : x
  2. Step 2: Convert to fraction form
    72,569.53/100,160.69 = 41,943.93/x
  3. Step 3: Cross multiply
    72,569.53x = 100,160.69 × 41,943.93
  4. Step 4: Simplify right side
    72,569.53x = 4,201,132,970.11
  5. Step 5: Solve for x
    x = 4,201,132,970.11/72,569.53
  6. Step 6: Final answer
    x = 57,891.14

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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.