Home / 88,972.67-122,782.16-48,686.45

Finding the Fourth Proportional to 88,972.67, 122,782.16 and 48,686.45

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Solution

The fourth proportional to 88,972.67, 122,782.16 and 48,686.45 is: 67,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,972.67 : 122,782.16 = 48,686.45 : x
  2. Step 2: Convert to fraction form
    88,972.67/122,782.16 = 48,686.45/x
  3. Step 3: Cross multiply
    88,972.67x = 122,782.16 × 48,686.45
  4. Step 4: Simplify right side
    88,972.67x = 5,977,826,636.39
  5. Step 5: Solve for x
    x = 5,977,826,636.39/88,972.67
  6. Step 6: Final answer
    x = 67,187.23

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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.