Home / 76,837.70-106,044.18-45,033.32

Finding the Fourth Proportional to 76,837.70, 106,044.18 and 45,033.32

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Solution

The fourth proportional to 76,837.70, 106,044.18 and 45,033.32 is: 62,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,837.70 : 106,044.18 = 45,033.32 : x
  2. Step 2: Convert to fraction form
    76,837.70/106,044.18 = 45,033.32/x
  3. Step 3: Cross multiply
    76,837.70x = 106,044.18 × 45,033.32
  4. Step 4: Simplify right side
    76,837.70x = 4,775,521,492.08
  5. Step 5: Solve for x
    x = 4,775,521,492.08/76,837.70
  6. Step 6: Final answer
    x = 62,150.76

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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.