Home / 85,518.66-118,005.53-47,273.04

Finding the Fourth Proportional to 85,518.66, 118,005.53 and 47,273.04

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Solution

The fourth proportional to 85,518.66, 118,005.53 and 47,273.04 is: 65,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,518.66 : 118,005.53 = 47,273.04 : x
  2. Step 2: Convert to fraction form
    85,518.66/118,005.53 = 47,273.04/x
  3. Step 3: Cross multiply
    85,518.66x = 118,005.53 × 47,273.04
  4. Step 4: Simplify right side
    85,518.66x = 5,578,479,903.55
  5. Step 5: Solve for x
    x = 5,578,479,903.55/85,518.66
  6. Step 6: Final answer
    x = 65,231.14

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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.