Home / 68,087.16-93,960.28-38,279.16

Finding the Fourth Proportional to 68,087.16, 93,960.28 and 38,279.16

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Solution

The fourth proportional to 68,087.16, 93,960.28 and 38,279.16 is: 52,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.16 : 93,960.28 = 38,279.16 : x
  2. Step 2: Convert to fraction form
    68,087.16/93,960.28 = 38,279.16/x
  3. Step 3: Cross multiply
    68,087.16x = 93,960.28 × 38,279.16
  4. Step 4: Simplify right side
    68,087.16x = 3,596,720,496.07
  5. Step 5: Solve for x
    x = 3,596,720,496.07/68,087.16
  6. Step 6: Final answer
    x = 52,825.24

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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.