Home / 90,052.50-124,272.51-52,329.18

Finding the Fourth Proportional to 90,052.50, 124,272.51 and 52,329.18

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Solution

The fourth proportional to 90,052.50, 124,272.51 and 52,329.18 is: 72,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.50 : 124,272.51 = 52,329.18 : x
  2. Step 2: Convert to fraction form
    90,052.50/124,272.51 = 52,329.18/x
  3. Step 3: Cross multiply
    90,052.50x = 124,272.51 × 52,329.18
  4. Step 4: Simplify right side
    90,052.50x = 6,503,078,544.84
  5. Step 5: Solve for x
    x = 6,503,078,544.84/90,052.50
  6. Step 6: Final answer
    x = 72,214.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.