Home / 85,623.62-118,156.40-47,382.48

Finding the Fourth Proportional to 85,623.62, 118,156.40 and 47,382.48

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Solution

The fourth proportional to 85,623.62, 118,156.40 and 47,382.48 is: 65,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,623.62 : 118,156.40 = 47,382.48 : x
  2. Step 2: Convert to fraction form
    85,623.62/118,156.40 = 47,382.48/x
  3. Step 3: Cross multiply
    85,623.62x = 118,156.40 × 47,382.48
  4. Step 4: Simplify right side
    85,623.62x = 5,598,543,200.64
  5. Step 5: Solve for x
    x = 5,598,543,200.64/85,623.62
  6. Step 6: Final answer
    x = 65,385.50

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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.