Home / 92,902.95-139,355.64-36,718.92

Finding the Fourth Proportional to 92,902.95, 139,355.64 and 36,718.92

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Solution

The fourth proportional to 92,902.95, 139,355.64 and 36,718.92 is: 55,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,902.95 : 139,355.64 = 36,718.92 : x
  2. Step 2: Convert to fraction form
    92,902.95/139,355.64 = 36,718.92/x
  3. Step 3: Cross multiply
    92,902.95x = 139,355.64 × 36,718.92
  4. Step 4: Simplify right side
    92,902.95x = 5,116,988,596.71
  5. Step 5: Solve for x
    x = 5,116,988,596.71/92,902.95
  6. Step 6: Final answer
    x = 55,078.86

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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.