Home / 86,185.92-118,937.28-48,459.84

Finding the Fourth Proportional to 86,185.92, 118,937.28 and 48,459.84

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Solution

The fourth proportional to 86,185.92, 118,937.28 and 48,459.84 is: 66,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,185.92 : 118,937.28 = 48,459.84 : x
  2. Step 2: Convert to fraction form
    86,185.92/118,937.28 = 48,459.84/x
  3. Step 3: Cross multiply
    86,185.92x = 118,937.28 × 48,459.84
  4. Step 4: Simplify right side
    86,185.92x = 5,763,681,558.84
  5. Step 5: Solve for x
    x = 5,763,681,558.84/86,185.92
  6. Step 6: Final answer
    x = 66,874.98

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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.