Home / 66,511.48-99,608.30-36,855.76

Finding the Fourth Proportional to 66,511.48, 99,608.30 and 36,855.76

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Solution

The fourth proportional to 66,511.48, 99,608.30 and 36,855.76 is: 55,195.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.48 : 99,608.30 = 36,855.76 : x
  2. Step 2: Convert to fraction form
    66,511.48/99,608.30 = 36,855.76/x
  3. Step 3: Cross multiply
    66,511.48x = 99,608.30 × 36,855.76
  4. Step 4: Simplify right side
    66,511.48x = 3,671,139,598.81
  5. Step 5: Solve for x
    x = 3,671,139,598.81/66,511.48
  6. Step 6: Final answer
    x = 55,195.58

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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.