Home / 86,149.44-118,886.20-48,423.69

Finding the Fourth Proportional to 86,149.44, 118,886.20 and 48,423.69

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Solution

The fourth proportional to 86,149.44, 118,886.20 and 48,423.69 is: 66,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,149.44 : 118,886.20 = 48,423.69 : x
  2. Step 2: Convert to fraction form
    86,149.44/118,886.20 = 48,423.69/x
  3. Step 3: Cross multiply
    86,149.44x = 118,886.20 × 48,423.69
  4. Step 4: Simplify right side
    86,149.44x = 5,756,908,373.02
  5. Step 5: Solve for x
    x = 5,756,908,373.02/86,149.44
  6. Step 6: Final answer
    x = 66,824.68

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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.