Home / 75,129.16-103,671.06-44,908.48

Finding the Fourth Proportional to 75,129.16, 103,671.06 and 44,908.48

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Solution

The fourth proportional to 75,129.16, 103,671.06 and 44,908.48 is: 61,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.16 : 103,671.06 = 44,908.48 : x
  2. Step 2: Convert to fraction form
    75,129.16/103,671.06 = 44,908.48/x
  3. Step 3: Cross multiply
    75,129.16x = 103,671.06 × 44,908.48
  4. Step 4: Simplify right side
    75,129.16x = 4,655,709,724.59
  5. Step 5: Solve for x
    x = 4,655,709,724.59/75,129.16
  6. Step 6: Final answer
    x = 61,969.41

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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.