Home / 61,820.87-85,312.22-34,968.62

Finding the Fourth Proportional to 61,820.87, 85,312.22 and 34,968.62

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Solution

The fourth proportional to 61,820.87, 85,312.22 and 34,968.62 is: 48,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820.87 : 85,312.22 = 34,968.62 : x
  2. Step 2: Convert to fraction form
    61,820.87/85,312.22 = 34,968.62/x
  3. Step 3: Cross multiply
    61,820.87x = 85,312.22 × 34,968.62
  4. Step 4: Simplify right side
    61,820.87x = 2,983,250,001.13
  5. Step 5: Solve for x
    x = 2,983,250,001.13/61,820.87
  6. Step 6: Final answer
    x = 48,256.36

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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.