Home / 85,948.85-118,611.46-48,225.89

Finding the Fourth Proportional to 85,948.85, 118,611.46 and 48,225.89

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Solution

The fourth proportional to 85,948.85, 118,611.46 and 48,225.89 is: 66,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,948.85 : 118,611.46 = 48,225.89 : x
  2. Step 2: Convert to fraction form
    85,948.85/118,611.46 = 48,225.89/x
  3. Step 3: Cross multiply
    85,948.85x = 118,611.46 × 48,225.89
  4. Step 4: Simplify right side
    85,948.85x = 5,720,143,579.51
  5. Step 5: Solve for x
    x = 5,720,143,579.51/85,948.85
  6. Step 6: Final answer
    x = 66,552.88

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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.