Home / 88,730.12-122,446.63-48,443.76

Finding the Fourth Proportional to 88,730.12, 122,446.63 and 48,443.76

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Solution

The fourth proportional to 88,730.12, 122,446.63 and 48,443.76 is: 66,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,730.12 : 122,446.63 = 48,443.76 : x
  2. Step 2: Convert to fraction form
    88,730.12/122,446.63 = 48,443.76/x
  3. Step 3: Cross multiply
    88,730.12x = 122,446.63 × 48,443.76
  4. Step 4: Simplify right side
    88,730.12x = 5,931,774,544.30
  5. Step 5: Solve for x
    x = 5,931,774,544.30/88,730.12
  6. Step 6: Final answer
    x = 66,851.87

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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.