Home / 74,244.75-111,314.22-34,780.35

Finding the Fourth Proportional to 74,244.75, 111,314.22 and 34,780.35

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Solution

The fourth proportional to 74,244.75, 111,314.22 and 34,780.35 is: 52,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.75 : 111,314.22 = 34,780.35 : x
  2. Step 2: Convert to fraction form
    74,244.75/111,314.22 = 34,780.35/x
  3. Step 3: Cross multiply
    74,244.75x = 111,314.22 × 34,780.35
  4. Step 4: Simplify right side
    74,244.75x = 3,871,547,531.58
  5. Step 5: Solve for x
    x = 3,871,547,531.58/74,244.75
  6. Step 6: Final answer
    x = 52,145.74

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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.