Home / 99,040.75-136,676.46-56,599.18

Finding the Fourth Proportional to 99,040.75, 136,676.46 and 56,599.18

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Solution

The fourth proportional to 99,040.75, 136,676.46 and 56,599.18 is: 78,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,040.75 : 136,676.46 = 56,599.18 : x
  2. Step 2: Convert to fraction form
    99,040.75/136,676.46 = 56,599.18/x
  3. Step 3: Cross multiply
    99,040.75x = 136,676.46 × 56,599.18
  4. Step 4: Simplify right side
    99,040.75x = 7,735,775,561.30
  5. Step 5: Solve for x
    x = 7,735,775,561.30/99,040.75
  6. Step 6: Final answer
    x = 78,107.00

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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.