Home / 88,262.75-121,820.28-52,445.81

Finding the Fourth Proportional to 88,262.75, 121,820.28 and 52,445.81

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Solution

The fourth proportional to 88,262.75, 121,820.28 and 52,445.81 is: 72,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,262.75 : 121,820.28 = 52,445.81 : x
  2. Step 2: Convert to fraction form
    88,262.75/121,820.28 = 52,445.81/x
  3. Step 3: Cross multiply
    88,262.75x = 121,820.28 × 52,445.81
  4. Step 4: Simplify right side
    88,262.75x = 6,388,963,259.03
  5. Step 5: Solve for x
    x = 6,388,963,259.03/88,262.75
  6. Step 6: Final answer
    x = 72,385.73

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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.