Home / 56,999.12-85,284.84-47,143.04

Finding the Fourth Proportional to 56,999.12, 85,284.84 and 47,143.04

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Solution

The fourth proportional to 56,999.12, 85,284.84 and 47,143.04 is: 70,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.12 : 85,284.84 = 47,143.04 : x
  2. Step 2: Convert to fraction form
    56,999.12/85,284.84 = 47,143.04/x
  3. Step 3: Cross multiply
    56,999.12x = 85,284.84 × 47,143.04
  4. Step 4: Simplify right side
    56,999.12x = 4,020,586,623.51
  5. Step 5: Solve for x
    x = 4,020,586,623.51/56,999.12
  6. Step 6: Final answer
    x = 70,537.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.