Home / 68,812.72-94,962.35-38,186.45

Finding the Fourth Proportional to 68,812.72, 94,962.35 and 38,186.45

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Solution

The fourth proportional to 68,812.72, 94,962.35 and 38,186.45 is: 52,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812.72 : 94,962.35 = 38,186.45 : x
  2. Step 2: Convert to fraction form
    68,812.72/94,962.35 = 38,186.45/x
  3. Step 3: Cross multiply
    68,812.72x = 94,962.35 × 38,186.45
  4. Step 4: Simplify right side
    68,812.72x = 3,626,274,839.23
  5. Step 5: Solve for x
    x = 3,626,274,839.23/68,812.72
  6. Step 6: Final answer
    x = 52,697.74

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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.