Home / 58,559.49-80,812.35-31,702.00

Finding the Fourth Proportional to 58,559.49, 80,812.35 and 31,702.00

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Solution

The fourth proportional to 58,559.49, 80,812.35 and 31,702.00 is: 43,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.49 : 80,812.35 = 31,702.00 : x
  2. Step 2: Convert to fraction form
    58,559.49/80,812.35 = 31,702.00/x
  3. Step 3: Cross multiply
    58,559.49x = 80,812.35 × 31,702.00
  4. Step 4: Simplify right side
    58,559.49x = 2,561,913,074.43
  5. Step 5: Solve for x
    x = 2,561,913,074.43/58,559.49
  6. Step 6: Final answer
    x = 43,748.90

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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.