Home / 91,991.04-126,952.17-56,175.27

Finding the Fourth Proportional to 91,991.04, 126,952.17 and 56,175.27

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Solution

The fourth proportional to 91,991.04, 126,952.17 and 56,175.27 is: 77,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,991.04 : 126,952.17 = 56,175.27 : x
  2. Step 2: Convert to fraction form
    91,991.04/126,952.17 = 56,175.27/x
  3. Step 3: Cross multiply
    91,991.04x = 126,952.17 × 56,175.27
  4. Step 4: Simplify right side
    91,991.04x = 7,131,572,426.84
  5. Step 5: Solve for x
    x = 7,131,572,426.84/91,991.04
  6. Step 6: Final answer
    x = 77,524.64

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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.