Home / 99,098.22-148,688.99-61,689.59

Finding the Fourth Proportional to 99,098.22, 148,688.99 and 61,689.59

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Solution

The fourth proportional to 99,098.22, 148,688.99 and 61,689.59 is: 92,560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.22 : 148,688.99 = 61,689.59 : x
  2. Step 2: Convert to fraction form
    99,098.22/148,688.99 = 61,689.59/x
  3. Step 3: Cross multiply
    99,098.22x = 148,688.99 × 61,689.59
  4. Step 4: Simplify right side
    99,098.22x = 9,172,562,830.61
  5. Step 5: Solve for x
    x = 9,172,562,830.61/99,098.22
  6. Step 6: Final answer
    x = 92,560.32

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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.