Home / 92,803.13-128,068.40-50,361.66

Finding the Fourth Proportional to 92,803.13, 128,068.40 and 50,361.66

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Solution

The fourth proportional to 92,803.13, 128,068.40 and 50,361.66 is: 69,499.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,803.13 : 128,068.40 = 50,361.66 : x
  2. Step 2: Convert to fraction form
    92,803.13/128,068.40 = 50,361.66/x
  3. Step 3: Cross multiply
    92,803.13x = 128,068.40 × 50,361.66
  4. Step 4: Simplify right side
    92,803.13x = 6,449,737,343.45
  5. Step 5: Solve for x
    x = 6,449,737,343.45/92,803.13
  6. Step 6: Final answer
    x = 69,499.14

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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.