Home / 86,941.35-119,980.58-48,700.58

Finding the Fourth Proportional to 86,941.35, 119,980.58 and 48,700.58

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Solution

The fourth proportional to 86,941.35, 119,980.58 and 48,700.58 is: 67,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,941.35 : 119,980.58 = 48,700.58 : x
  2. Step 2: Convert to fraction form
    86,941.35/119,980.58 = 48,700.58/x
  3. Step 3: Cross multiply
    86,941.35x = 119,980.58 × 48,700.58
  4. Step 4: Simplify right side
    86,941.35x = 5,843,122,991.33
  5. Step 5: Solve for x
    x = 5,843,122,991.33/86,941.35
  6. Step 6: Final answer
    x = 67,207.64

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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.