Home / 99,623.12-149,434.68-57,567.44

Finding the Fourth Proportional to 99,623.12, 149,434.68 and 57,567.44

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Solution

The fourth proportional to 99,623.12, 149,434.68 and 57,567.44 is: 86,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,623.12 : 149,434.68 = 57,567.44 : x
  2. Step 2: Convert to fraction form
    99,623.12/149,434.68 = 57,567.44/x
  3. Step 3: Cross multiply
    99,623.12x = 149,434.68 × 57,567.44
  4. Step 4: Simplify right side
    99,623.12x = 8,602,571,974.82
  5. Step 5: Solve for x
    x = 8,602,571,974.82/99,623.12
  6. Step 6: Final answer
    x = 86,351.16

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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.