Home / 112,867.98-169,328-37,986.18

Finding the Fourth Proportional to 112,867.98, 169,328 and 37,986.18

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Solution

The fourth proportional to 112,867.98, 169,328 and 37,986.18 is: 56,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,867.98 : 169,328 = 37,986.18 : x
  2. Step 2: Convert to fraction form
    112,867.98/169,328 = 37,986.18/x
  3. Step 3: Cross multiply
    112,867.98x = 169,328 × 37,986.18
  4. Step 4: Simplify right side
    112,867.98x = 6,432,123,887.04
  5. Step 5: Solve for x
    x = 6,432,123,887.04/112,867.98
  6. Step 6: Final answer
    x = 56,988.03

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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.