Home / 99,040.22-136,682.82-56,597.84

Finding the Fourth Proportional to 99,040.22, 136,682.82 and 56,597.84

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Solution

The fourth proportional to 99,040.22, 136,682.82 and 56,597.84 is: 78,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.22 : 136,682.82 = 56,597.84 : x
  2. Step 2: Convert to fraction form
    99,040.22/136,682.82 = 56,597.84/x
  3. Step 3: Cross multiply
    99,040.22x = 136,682.82 × 56,597.84
  4. Step 4: Simplify right side
    99,040.22x = 7,735,952,377.11
  5. Step 5: Solve for x
    x = 7,735,952,377.11/99,040.22
  6. Step 6: Final answer
    x = 78,109.20

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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.