Home / 88,746.98-122,401.60-56,918.30

Finding the Fourth Proportional to 88,746.98, 122,401.60 and 56,918.30

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Solution

The fourth proportional to 88,746.98, 122,401.60 and 56,918.30 is: 78,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,746.98 : 122,401.60 = 56,918.30 : x
  2. Step 2: Convert to fraction form
    88,746.98/122,401.60 = 56,918.30/x
  3. Step 3: Cross multiply
    88,746.98x = 122,401.60 × 56,918.30
  4. Step 4: Simplify right side
    88,746.98x = 6,966,890,234.98
  5. Step 5: Solve for x
    x = 6,966,890,234.98/88,746.98
  6. Step 6: Final answer
    x = 78,502.85

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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.