Home / 99,536.58-149,262.95-40,330.85

Finding the Fourth Proportional to 99,536.58, 149,262.95 and 40,330.85

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Solution

The fourth proportional to 99,536.58, 149,262.95 and 40,330.85 is: 60,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,536.58 : 149,262.95 = 40,330.85 : x
  2. Step 2: Convert to fraction form
    99,536.58/149,262.95 = 40,330.85/x
  3. Step 3: Cross multiply
    99,536.58x = 149,262.95 × 40,330.85
  4. Step 4: Simplify right side
    99,536.58x = 6,019,901,001.52
  5. Step 5: Solve for x
    x = 6,019,901,001.52/99,536.58
  6. Step 6: Final answer
    x = 60,479.28

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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.