Home / 99,185.04-136,821.69-62,820.77

Finding the Fourth Proportional to 99,185.04, 136,821.69 and 62,820.77

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Solution

The fourth proportional to 99,185.04, 136,821.69 and 62,820.77 is: 86,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,185.04 : 136,821.69 = 62,820.77 : x
  2. Step 2: Convert to fraction form
    99,185.04/136,821.69 = 62,820.77/x
  3. Step 3: Cross multiply
    99,185.04x = 136,821.69 × 62,820.77
  4. Step 4: Simplify right side
    99,185.04x = 8,595,243,234.39
  5. Step 5: Solve for x
    x = 8,595,243,234.39/99,185.04
  6. Step 6: Final answer
    x = 86,658.67

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1.5x scale

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.