Home / 85,725.92-118,291.12-47,994.08

Finding the Fourth Proportional to 85,725.92, 118,291.12 and 47,994.08

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Solution

The fourth proportional to 85,725.92, 118,291.12 and 47,994.08 is: 66,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,725.92 : 118,291.12 = 47,994.08 : x
  2. Step 2: Convert to fraction form
    85,725.92/118,291.12 = 47,994.08/x
  3. Step 3: Cross multiply
    85,725.92x = 118,291.12 × 47,994.08
  4. Step 4: Simplify right side
    85,725.92x = 5,677,273,476.57
  5. Step 5: Solve for x
    x = 5,677,273,476.57/85,725.92
  6. Step 6: Final answer
    x = 66,225.87

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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.