Home / 99,830.77-149,695.57-33,247.55

Finding the Fourth Proportional to 99,830.77, 149,695.57 and 33,247.55

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Solution

The fourth proportional to 99,830.77, 149,695.57 and 33,247.55 is: 49,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830.77 : 149,695.57 = 33,247.55 : x
  2. Step 2: Convert to fraction form
    99,830.77/149,695.57 = 33,247.55/x
  3. Step 3: Cross multiply
    99,830.77x = 149,695.57 × 33,247.55
  4. Step 4: Simplify right side
    99,830.77x = 4,977,010,948.35
  5. Step 5: Solve for x
    x = 4,977,010,948.35/99,830.77
  6. Step 6: Final answer
    x = 49,854.48

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1.5x scale

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.