Home / 73,916.12-101,992.52-42,085.64

Finding the Fourth Proportional to 73,916.12, 101,992.52 and 42,085.64

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Solution

The fourth proportional to 73,916.12, 101,992.52 and 42,085.64 is: 58,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,916.12 : 101,992.52 = 42,085.64 : x
  2. Step 2: Convert to fraction form
    73,916.12/101,992.52 = 42,085.64/x
  3. Step 3: Cross multiply
    73,916.12x = 101,992.52 × 42,085.64
  4. Step 4: Simplify right side
    73,916.12x = 4,292,420,479.41
  5. Step 5: Solve for x
    x = 4,292,420,479.41/73,916.12
  6. Step 6: Final answer
    x = 58,071.51

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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.