Home / 75,018.03-103,476.11-48,117.93

Finding the Fourth Proportional to 75,018.03, 103,476.11 and 48,117.93

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Solution

The fourth proportional to 75,018.03, 103,476.11 and 48,117.93 is: 66,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,018.03 : 103,476.11 = 48,117.93 : x
  2. Step 2: Convert to fraction form
    75,018.03/103,476.11 = 48,117.93/x
  3. Step 3: Cross multiply
    75,018.03x = 103,476.11 × 48,117.93
  4. Step 4: Simplify right side
    75,018.03x = 4,979,055,977.06
  5. Step 5: Solve for x
    x = 4,979,055,977.06/75,018.03
  6. Step 6: Final answer
    x = 66,371.46

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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.