Home / 99,171.27-136,855.58-53,848.40

Finding the Fourth Proportional to 99,171.27, 136,855.58 and 53,848.40

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Solution

The fourth proportional to 99,171.27, 136,855.58 and 53,848.40 is: 74,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,171.27 : 136,855.58 = 53,848.40 : x
  2. Step 2: Convert to fraction form
    99,171.27/136,855.58 = 53,848.40/x
  3. Step 3: Cross multiply
    99,171.27x = 136,855.58 × 53,848.40
  4. Step 4: Simplify right side
    99,171.27x = 7,369,453,060.55
  5. Step 5: Solve for x
    x = 7,369,453,060.55/99,171.27
  6. Step 6: Final answer
    x = 74,310.36

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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.