Home / 91,518.17-137,245.09-27,457.22

Finding the Fourth Proportional to 91,518.17, 137,245.09 and 27,457.22

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Solution

The fourth proportional to 91,518.17, 137,245.09 and 27,457.22 is: 41,176.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,518.17 : 137,245.09 = 27,457.22 : x
  2. Step 2: Convert to fraction form
    91,518.17/137,245.09 = 27,457.22/x
  3. Step 3: Cross multiply
    91,518.17x = 137,245.09 × 27,457.22
  4. Step 4: Simplify right side
    91,518.17x = 3,768,367,875.18
  5. Step 5: Solve for x
    x = 3,768,367,875.18/91,518.17
  6. Step 6: Final answer
    x = 41,176.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.