Home / 101,803.11-140,494.93-58,784.41

Finding the Fourth Proportional to 101,803.11, 140,494.93 and 58,784.41

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Solution

The fourth proportional to 101,803.11, 140,494.93 and 58,784.41 is: 81,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,803.11 : 140,494.93 = 58,784.41 : x
  2. Step 2: Convert to fraction form
    101,803.11/140,494.93 = 58,784.41/x
  3. Step 3: Cross multiply
    101,803.11x = 140,494.93 × 58,784.41
  4. Step 4: Simplify right side
    101,803.11x = 8,258,911,568.04
  5. Step 5: Solve for x
    x = 8,258,911,568.04/101,803.11
  6. Step 6: Final answer
    x = 81,126.32

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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.