Home / 85,942.25-118,598.49-47,699.57

Finding the Fourth Proportional to 85,942.25, 118,598.49 and 47,699.57

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Solution

The fourth proportional to 85,942.25, 118,598.49 and 47,699.57 is: 65,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942.25 : 118,598.49 = 47,699.57 : x
  2. Step 2: Convert to fraction form
    85,942.25/118,598.49 = 47,699.57/x
  3. Step 3: Cross multiply
    85,942.25x = 118,598.49 × 47,699.57
  4. Step 4: Simplify right side
    85,942.25x = 5,657,096,975.65
  5. Step 5: Solve for x
    x = 5,657,096,975.65/85,942.25
  6. Step 6: Final answer
    x = 65,824.40

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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.