Home / 71,607.11-98,820.61-48,993.53

Finding the Fourth Proportional to 71,607.11, 98,820.61 and 48,993.53

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Solution

The fourth proportional to 71,607.11, 98,820.61 and 48,993.53 is: 67,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.11 : 98,820.61 = 48,993.53 : x
  2. Step 2: Convert to fraction form
    71,607.11/98,820.61 = 48,993.53/x
  3. Step 3: Cross multiply
    71,607.11x = 98,820.61 × 48,993.53
  4. Step 4: Simplify right side
    71,607.11x = 4,841,569,904.07
  5. Step 5: Solve for x
    x = 4,841,569,904.07/71,607.11
  6. Step 6: Final answer
    x = 67,612.98

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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.