Home / 99,158.45-136,771.00-63,332.42

Finding the Fourth Proportional to 99,158.45, 136,771.00 and 63,332.42

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Solution

The fourth proportional to 99,158.45, 136,771.00 and 63,332.42 is: 87,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,158.45 : 136,771.00 = 63,332.42 : x
  2. Step 2: Convert to fraction form
    99,158.45/136,771.00 = 63,332.42/x
  3. Step 3: Cross multiply
    99,158.45x = 136,771.00 × 63,332.42
  4. Step 4: Simplify right side
    99,158.45x = 8,662,037,573.63
  5. Step 5: Solve for x
    x = 8,662,037,573.63/99,158.45
  6. Step 6: Final answer
    x = 87,355.52

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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.