Home / 103,073.15-154,642.02-31,028.92

Finding the Fourth Proportional to 103,073.15, 154,642.02 and 31,028.92

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Solution

The fourth proportional to 103,073.15, 154,642.02 and 31,028.92 is: 46,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,073.15 : 154,642.02 = 31,028.92 : x
  2. Step 2: Convert to fraction form
    103,073.15/154,642.02 = 31,028.92/x
  3. Step 3: Cross multiply
    103,073.15x = 154,642.02 × 31,028.92
  4. Step 4: Simplify right side
    103,073.15x = 4,798,374,364.25
  5. Step 5: Solve for x
    x = 4,798,374,364.25/103,073.15
  6. Step 6: Final answer
    x = 46,553.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.