Home / 79,099.04-109,196.16-45,558.56

Finding the Fourth Proportional to 79,099.04, 109,196.16 and 45,558.56

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Solution

The fourth proportional to 79,099.04, 109,196.16 and 45,558.56 is: 62,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,099.04 : 109,196.16 = 45,558.56 : x
  2. Step 2: Convert to fraction form
    79,099.04/109,196.16 = 45,558.56/x
  3. Step 3: Cross multiply
    79,099.04x = 109,196.16 × 45,558.56
  4. Step 4: Simplify right side
    79,099.04x = 4,974,819,807.13
  5. Step 5: Solve for x
    x = 4,974,819,807.13/79,099.04
  6. Step 6: Final answer
    x = 62,893.55

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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.