Home / 99,008.25-136,575.48-58,682.40

Finding the Fourth Proportional to 99,008.25, 136,575.48 and 58,682.40

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Solution

The fourth proportional to 99,008.25, 136,575.48 and 58,682.40 is: 80,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,008.25 : 136,575.48 = 58,682.40 : x
  2. Step 2: Convert to fraction form
    99,008.25/136,575.48 = 58,682.40/x
  3. Step 3: Cross multiply
    99,008.25x = 136,575.48 × 58,682.40
  4. Step 4: Simplify right side
    99,008.25x = 8,014,576,947.55
  5. Step 5: Solve for x
    x = 8,014,576,947.55/99,008.25
  6. Step 6: Final answer
    x = 80,948.58

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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.