Home / 91,936.36-126,885.90-56,146.96

Finding the Fourth Proportional to 91,936.36, 126,885.90 and 56,146.96

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Solution

The fourth proportional to 91,936.36, 126,885.90 and 56,146.96 is: 77,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,936.36 : 126,885.90 = 56,146.96 : x
  2. Step 2: Convert to fraction form
    91,936.36/126,885.90 = 56,146.96/x
  3. Step 3: Cross multiply
    91,936.36x = 126,885.90 × 56,146.96
  4. Step 4: Simplify right side
    91,936.36x = 7,124,257,551.86
  5. Step 5: Solve for x
    x = 7,124,257,551.86/91,936.36
  6. Step 6: Final answer
    x = 77,491.19

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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.