Home / 61,819.68-85,315.40-34,962.20

Finding the Fourth Proportional to 61,819.68, 85,315.40 and 34,962.20

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Solution

The fourth proportional to 61,819.68, 85,315.40 and 34,962.20 is: 48,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.68 : 85,315.40 = 34,962.20 : x
  2. Step 2: Convert to fraction form
    61,819.68/85,315.40 = 34,962.20/x
  3. Step 3: Cross multiply
    61,819.68x = 85,315.40 × 34,962.20
  4. Step 4: Simplify right side
    61,819.68x = 2,982,814,077.88
  5. Step 5: Solve for x
    x = 2,982,814,077.88/61,819.68
  6. Step 6: Final answer
    x = 48,250.23

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1.5x scale

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.