Home / 99,049.10-136,697.09-56,599.38

Finding the Fourth Proportional to 99,049.10, 136,697.09 and 56,599.38

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Solution

The fourth proportional to 99,049.10, 136,697.09 and 56,599.38 is: 78,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.10 : 136,697.09 = 56,599.38 : x
  2. Step 2: Convert to fraction form
    99,049.10/136,697.09 = 56,599.38/x
  3. Step 3: Cross multiply
    99,049.10x = 136,697.09 × 56,599.38
  4. Step 4: Simplify right side
    99,049.10x = 7,736,970,541.80
  5. Step 5: Solve for x
    x = 7,736,970,541.80/99,049.10
  6. Step 6: Final answer
    x = 78,112.48

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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.