Home / 53,468-73,802.26-30,822.12

Finding the Fourth Proportional to 53,468, 73,802.26 and 30,822.12

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Solution

The fourth proportional to 53,468, 73,802.26 and 30,822.12 is: 42,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,468 : 73,802.26 = 30,822.12 : x
  2. Step 2: Convert to fraction form
    53,468/73,802.26 = 30,822.12/x
  3. Step 3: Cross multiply
    53,468x = 73,802.26 × 30,822.12
  4. Step 4: Simplify right side
    53,468x = 2,274,742,113.99
  5. Step 5: Solve for x
    x = 2,274,742,113.99/53,468
  6. Step 6: Final answer
    x = 42,543.99

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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.