Home / 99,074.12-136,729.08-56,053.67

Finding the Fourth Proportional to 99,074.12, 136,729.08 and 56,053.67

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Solution

The fourth proportional to 99,074.12, 136,729.08 and 56,053.67 is: 77,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074.12 : 136,729.08 = 56,053.67 : x
  2. Step 2: Convert to fraction form
    99,074.12/136,729.08 = 56,053.67/x
  3. Step 3: Cross multiply
    99,074.12x = 136,729.08 × 56,053.67
  4. Step 4: Simplify right side
    99,074.12x = 7,664,166,046.08
  5. Step 5: Solve for x
    x = 7,664,166,046.08/99,074.12
  6. Step 6: Final answer
    x = 77,357.91

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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.