Home / 48,071.07-72,028.85-39,310.11

Finding the Fourth Proportional to 48,071.07, 72,028.85 and 39,310.11

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Solution

The fourth proportional to 48,071.07, 72,028.85 and 39,310.11 is: 58,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.07 : 72,028.85 = 39,310.11 : x
  2. Step 2: Convert to fraction form
    48,071.07/72,028.85 = 39,310.11/x
  3. Step 3: Cross multiply
    48,071.07x = 72,028.85 × 39,310.11
  4. Step 4: Simplify right side
    48,071.07x = 2,831,461,820.12
  5. Step 5: Solve for x
    x = 2,831,461,820.12/48,071.07
  6. Step 6: Final answer
    x = 58,901.58

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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.