Home / 74,981.16-112,508.40-32,855.46

Finding the Fourth Proportional to 74,981.16, 112,508.40 and 32,855.46

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Solution

The fourth proportional to 74,981.16, 112,508.40 and 32,855.46 is: 49,299.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,981.16 : 112,508.40 = 32,855.46 : x
  2. Step 2: Convert to fraction form
    74,981.16/112,508.40 = 32,855.46/x
  3. Step 3: Cross multiply
    74,981.16x = 112,508.40 × 32,855.46
  4. Step 4: Simplify right side
    74,981.16x = 3,696,515,235.86
  5. Step 5: Solve for x
    x = 3,696,515,235.86/74,981.16
  6. Step 6: Final answer
    x = 49,299.25

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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.