Home / 56,526.85-78,009.87-31,033.04

Finding the Fourth Proportional to 56,526.85, 78,009.87 and 31,033.04

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Solution

The fourth proportional to 56,526.85, 78,009.87 and 31,033.04 is: 42,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.85 : 78,009.87 = 31,033.04 : x
  2. Step 2: Convert to fraction form
    56,526.85/78,009.87 = 31,033.04/x
  3. Step 3: Cross multiply
    56,526.85x = 78,009.87 × 31,033.04
  4. Step 4: Simplify right side
    56,526.85x = 2,420,883,142.43
  5. Step 5: Solve for x
    x = 2,420,883,142.43/56,526.85
  6. Step 6: Final answer
    x = 42,827.14

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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.